In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: melting is when solids are heated above their melting point, Fact2: Ice cubes melt in liquid water., Question: What, when heated, turns into liquid water? (A) gasoline (B) oil (C) a solute (D) fire (E) ice cubes (F) a prism (G) mussels (H) Energy.
E

Fact1: seeing requires light, Fact2: Vision is our ability to see., Question: What is required for vision? (A) light (B) goggles (C) food (D) smell (E) hormones (F) Protein (G) color (H) hue
A

Fact1: Most modern gymnosperms are trees with woody trunks., Fact2: Gymnosperms are the most ancient seed plants., Question: The most ancient what are trees with woody trunks? (A) it needs them (B) leafy greens (C) more abundant (D) Leeuwenhoek (E) flowering buds (F) pollen (G) graptolites (H) seed plants
H