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: chemical splashing can cause harm to humans, Fact2: Man is human, subject to error., Question: What can chemical splashing can cause harm to? (A) Water (B) pugs (C) cats (D) Acid (E) life (F) Chemical solution (G) Man (H) pigs
G

Fact1: vein deposits of gold and silver are formed by igneous intrusion, Fact2: Intrusive igneous rocks account for sections of higher elevation., Question: vein deposits of gold and silver are formed where? (A) loose soil (B) aqueous solution (C) graptolites (D) tectonic plates coliding (E) higher elevations (F) mountain sources (G) flow of electrons (H) In sediment
E

Fact1: a prism is used for refracting light, Fact2: Refraction is the bending of a ray of light., Question: What tool can be used to bend rays of light? (A) Compass (B) a wave (C) fibers (D) Magnet (E) Pliers (F) Prism (G) forces (H) Newton

F