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: a greenhouse is used to protect plants from the cold, Fact2: Plants are very easily raised from seed, sown in a cold greenhouse from February to April., Question: What does a greenhouse protect plants from to help them grow easily? (A) death (B) hotness (C) Winter (D) fronts (E) heat (F) drought (G) rain (H) chill

Ex Output:
H

Ex Input:
Fact1: tectonic plates being pushed together causes earthquakes, Fact2: Plate Tectonics Movement of earth's surface reflects large scale convection of upper mantle., Question: What could happen because of movement in the upper mantle? (A) Earthquakes (B) Water expanding (C) Floods (D) Wildfires (E) erosion (F) Tornados (G) heating liquids (H) Movement

Ex Output:
A

Ex Input:
Fact1: Female monotremes lack a uterus and vagina., Fact2: Examples of monotremes are the Platypus and Echidna., Question: what females lack a uterus and vagina? (A) alveoli (B) echidna (C) cows (D) women (E) dogs (F) ligt (G) alpacas (H) goats

Ex Output:
B