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: Roundworms may be free-living or parasitic., Fact2: Internal parasites harm their hosts in many ways., Question: What can roundworms do? (A) killing insects (B) Make money (C) survive (D) Start fires (E) Harm hosts (F) Harm themselves (G) protect them (H) reproduce
Output:
E