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").

Example Input: Fact1: Female monotremes lack a uterus and vagina., Fact2: Monotremes are mammals that lay eggs., Question: What do some female mammals lack? (A) epidermal (B) vision (C) uterus (D) alleles (E) fur (F) a cuticle (G) eardrum (H) alveoli
Example Output: C

Example Input: Fact1: when a body of water receives more water than it can hold , a flood occurs, Fact2: Lakes are large bodies of inland water., Question: When does a flood occur in a lake? (A) during rain-less periods (B) at or near the margins (C) after a drought (D) Decreased precipitation (E) after too much water received (F) after not enough water (G) near the shoreline (H) the wearing away of rock
Example Output: E

Example Input: Fact1: an animal requires energy to move, Fact2: All dogs are animals ., Question: All dogs require what to move? (A) dog treats (B) speed (C) air (D) barking (E) Energy. (F) energy (G) feet (H) a leash
Example Output:
F