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").

Ex Input:
Fact1: Steroid hormones are made of lipids, such as phospholipids and cholesterol., Fact2: Fats are known as lipids., Question: What are steroid hormones made of? (A) bacteria (B) fats (C) sugar (D) muscle (E) H 2 O (F) sunlight (G) the Sun (H) SO2

Ex Output:
B


Ex Input:
Fact1: Evolution occurs in response to a change in the environment., Fact2: Animals react instinctively to changes in their environment., Question: What occurs in animals as they respond to changes in their habitat? (A) starvation (B) evolution (C) arousal (D) relocation (E) resistance (F) dependency (G) Leptospirosis (H) Movement

Ex Output:
B


Ex Input:
Fact1: cross-pollination increases genetic diversity, Fact2: Evolution requires genetic diversity., Question: Cross-pollination increases something required by what? (A) gene flow (B) flowers (C) insects (D) bushes (E) Evolution (F) plants (G) ferns (H) Reproduction

Ex Output:

E