STEM

copper is correct: copper is the uniquely documented target value for STEM graph sample 1: taxonomy choice with differentiator claim. The prompt targets copper, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

iron is correct: iron is the uniquely documented target value for STEM graph sample 1: membership from claim readback. The prompt targets iron, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

silver is correct: silver is the uniquely documented target value for STEM graph sample 1: intersection of required claims. The prompt targets silver, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

copper is correct: copper is the uniquely documented target value for STEM graph sample 3: relation transfer from documented pair. The prompt targets copper, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

"electric potential" is correct: Electric potential is the physical dimension for SI units such as the volt. The prompt targets electric potential, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

"time" is correct: Time is the physical dimension for SI units such as the second. The prompt targets time, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

"length" is correct: Length is the physical dimension for SI units such as the metre. The prompt targets length, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

"electric current" is correct: Electric current is the physical dimension for the SI base unit ampere. The prompt targets electric current, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

Cellular respiration fits: the definition and features ATP formation; oxygen context distinguish the term in the biological energy conversion scope. The prompt targets Cellular respiration, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

Molecule fits: the definition and features group of atoms; chemical bonds distinguish the term in the chemical particle identity scope. The prompt targets Molecule, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

Ion fits: the definition and features electric charge; electron transfer distinguish the term in the chemical particle identity scope. The prompt targets Ion, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

Chemosynthesis fits: the definition and features chemical energy; no light requirement distinguish the term in the biological energy conversion scope. The prompt targets Chemosynthesis, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

"krypton" is correct: Krypton is another source-backed candidate in the noble-gas group. The prompt targets krypton, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

"argon" is correct: Argon is a second noble-gas option and serves as a multi-hit fixture. The prompt targets argon, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

Issue tracker is correct because work-item tracking points exactly to issue tracker. The prompt targets Issue tracker, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

"47" is correct: 47 is stored as the atomic-number claim for silver and stays in the same attribute. The prompt targets 47, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

"26" is correct: 26 is stored as the atomic-number claim for iron and uses the same dimensionless unit. The prompt targets 26, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

sunflower is correct: sunflower uses hop 1 sunflower belongs to Asteraceae and hop 2 Asteraceae belongs to angiosperms; direct membership in angiosperms does not count as indirect evidence. The prompt targets sunflower, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

true under the condition is correct: condition water sample at 1 atm is below the freezing point is checked against baseline water sample at 20 degrees Celsius and 1 atm is liquid in scenario scope phase state of water at 1 atm; conditional validity true under the condition. The prompt targets true under the condition, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

yellow is correct: in visible spectrum by increasing wavelength, position 4 sits between green and orange; the position and neighbor claims make the gap unique. The prompt targets yellow, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

copper (group 11, period 4) is correct: filter: d-block and group 11 or 12 limits the pool; ascending periodic-table group number creates a tie resolved by ascending periodic-table period number with group number, then period number, then entity id. The prompt targets copper (group 11, period 4), so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

Fe is correct: gold -> Au; silver -> Ag documents relation element -> symbol; for iron, Fe is the unique target. The prompt targets Fe, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

copper sample is correct: this option satisfies element; solid at room temperature; electrical conductor and is not excluded by alloy; ferromagnetic; liquid at room temperature. The prompt targets copper sample, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.

source qualification qualified geoscience source; not chronology-only. The prompt targets volcanic arc, so the graph keeps this mapping stable against close alternatives. Source: Wikidata. As of: 2026-02-13.