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").

Example Input: Fact1: Consumers take in food by eating producers or other living things., Fact2: Animals are consumers , they feed on the primary producers or on other consumers., Question: What takes in food by eating producers or other living things? (A) humans (B) fur seals (C) trees (D) fungi (E) algae (F) animals (G) people (H) plants
Example Output: F

Example Input: Fact1: Steroid hormones are made of lipids, such as phospholipids and cholesterol., Fact2: Fats are known as lipids., Question: What are steroid hormones made of? (A) bacteria (B) fats (C) sugar (D) muscle (E) H 2 O (F) sunlight (G) the Sun (H) SO2
Example Output: B

Example Input: Fact1: beads of water are formed by water vapor condensing, Fact2: Water, for example, is a liquid., Question: Vapor doing what forms beads of liquid? (A) energy barrier (B) condensing (C) a solute (D) boiling (E) unidirectional (F) motion (G) kinetic energy (H) evaporation
Example Output:
B