Definition: 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: Fact1: Heterotrophs get food by eating other living things., Fact2: Great egrets are heterotrophs ., Question: Great egrets get food by doing what? (A) sleeping (B) eating other living things (C) Transfers energy (D) converting mass to energy (E) Something coming from a gland (F) photosynthesis (G) dying (H) competing for resources
Output:
B