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: Consider Input: Fact1: a plants require water for survival, Fact2: Water contains hydrogen and oxygen., Question: What do plants require for their survival? (A) Light (B) Proteins (C) Energy. (D) salinity (E) hydrogen (F) nutrients (G) sunlight (H) food

Output: E


Input: Consider Input: Fact1: Sperm are deposited in the vagina during sexual intercourse., Fact2: Male gametes are sperm., Question: What are deposited in the vagina during sexual intercourse? (A) several genes (B) prokaryotic cells (C) cilia (D) female gametes (E) testicles (F) male gametes (G) irritants (H) Vibrissae

Output: F


Input: Consider Input: Fact1: Roundworms reproduce sexually., Fact2: Nematodes are millimeter-sized roundworms., Question: what reproduces sexually? (A) nematodes (B) h2o (C) viruses (D) insects (E) humans (F) bacteria (G) ferns (H) Most plants


Output: A