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").

Input: Consider Input: Fact1: tidal energy can be used to produce electricity, Fact2: Tidal energy schemes capture water at high tide and release it at low tide., Question: What can be produced by capturing water at high tide? (A) more fish (B) clearer water (C) mussels (D) warm water (E) an image (F) electricity (G) a delta (H) watershred

Output: F


Input: Consider Input: Fact1: the Himalayas were formed by rock folding, Fact2: Movements in the earth's crust have folded and cracked the older rocks., Question: the Himalayas were formed from older what (A) soils (B) plates (C) rivers (D) rock (E) eras (F) meadows (G) dirt (H) plains

Output: D


Input: Consider Input: Fact1: Some parasites kill their host, but most do not., Fact2: Leeches are external parasites., Question: Some what will kill their host, while others won't? (A) barnacles (B) producers (C) scavengers (D) insects (E) cigarettes (F) fungi (G) plants (H) leeches


Output: H