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: Earthworms are important deposit feeders that help form and enrich soil., Fact2: Deposit feeders ingest sediment and extract food particles., Question: What happens when Earthworms ingest sediment and extract food particles? (A) The soil is unhealthy (B) Plant growth is reduced (C) heat produced (D) major threat to health (E) The earthworm reproduces (F) competing for resources (G) The earthworm dies (H) The soil is enriched
Output:
H