Instructions: 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: Phytoplankton are bacteria and algae that use sunlight to make food., Fact2: Most copepods feed on phytoplankton., Question: what happens to bacteria and algae that use sunlight to make food? (A) Transfers energy (B) food poisoning (C) production of energy (D) they form a bomb (E) it helps plants in growing (F) they die (G) copepods feed on them (H) competing for resources
Output:
G