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: Loss of ozone has created an ozone hole over Antarctica., Fact2: Antarctica's ozone layer is threatened by depletion., Question: What can loss of ozone lead to? (A) irritants (B) bad weather (C) Car accidents (D) ozone hole (E) rain (F) A hurricane (G) stormy weather (H) destroyed crops
Example Output: D

Example Input: Fact1: better senses have a positive impact on an animal 's survival, Fact2: All dogs are animals ., Question: what can have a positive impact on survival with better senses? (A) pugs (B) deer (C) pigs (D) mice (E) dog (F) cats (G) bird (H) cows
Example Output: E

Example Input: Fact1: Cells are the microscopic building blocks of organisms., Fact2: Plants are complex organisms., Question: what are cells the microscopic building blocks of? (A) gravity (B) animals (C) density (D) trees (E) a fish (F) plants (G) weathering (H) bacteria
Example Output:
F