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: Chloroplasts contain the green pigment chlorophyll., Fact2: Animals lack chloroplasts., Question: what do animals not have? (A) Bodily water (B) spine (C) skin (D) chlorophyll (E) Energy. (F) glucose (G) brain (H) kinetic energy
Output:
D