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: Rivers are usually larger than streams., Fact2: Watersheds are creeks, streams and rivers., Question: What is a river also? (A) storing water (B) loose soil (C) dangerous (D) fertile (E) more abundant (F) watershred (G) body water (H) kinetic

Output: F

Input: Consider Input: Fact1: Some parasites live on the surface of their host., Fact2: Leeches are external parasites., Question: What unwanted creature would be found on the surface of a human body using it as a host? (A) Tapeworm. (B) Leeches. (C) Pesticides (D) animals (E) insects (F) Hookworm (G) bacteria (H) Bracelet.

Output: B

Input: Consider Input: Fact1: Behaviors can be learned through play., Fact2: Most violent behavior is learned behavior., Question: What can be learned through play? (A) exercise (B) animals (C) competition (D) death (E) nothing (F) magic (G) positive (H) violence
Output: H