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").
Q: Fact1: a spider web is used to capture food by spiders, Fact2: Cobweb spiders construct webs in corners and areas of little traffic such as basements., Question: A cobweb is used to capture what? (A) RNA (B) cats (C) fish (D) food (E) dust (F) hair (G) waves (H) rain
A:
D