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: being burried under soil and mud changes vegetation into peat through extreme heat and pressure in a swamp over a long period of time, Fact2: After a long time, the moss can form into a peat., Question: What forms into peat through extreme heat and pressure over time? (A) bamboo (B) desiccation (C) burrs (D) elms (E) moss (F) coal (G) candy (H) meat
Output:
E