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: an egg requires warmth to survive, Fact2: Inside the egg, the developing rattlesnake is nourished by the yolk of the egg., Question: a developing rattlesnake requires what to survive (A) warmth (B) companionship (C) nutrients (D) shade (E) desert (F) food (G) energy (H) air

Ex Output:
A


Ex Input:
Fact1: ultraviolet light causes sunburn, Fact2: Furthermore, sunburn can cause premature aging and skin cancers., Question: What can ultraviolet light cause? (A) chemical changes (B) Cold skin (C) killing insects (D) Healthy skin (E) disease (F) Skin cancer (G) symptoms (H) Low temperatures

Ex Output:
F


Ex Input:
Fact1: electrocution causes harm to an organism, Fact2: Electrical exposure causing death is referred to as electrocution., Question: What causes harm to an organism? (A) exposure to cold (B) Something that causes allergies (C) air (D) electricity causing death (E) a tree falling (F) water (G) Electrical energy (H) food

Ex Output:

D