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: Cancer is a disease that occurs when the cell cycle is no longer regulated., Fact2: Metastatic cancer is cancer that has spread., Question: a disease that can be metastic occurs when the cell cycle is regulated how often? (A) often (B) no less (C) forever (D) Leptospirosis (E) illness (F) heat or cold (G) no longer (H) electrically

Ex Output:
G


Ex Input:
Fact1: transpiration is when water vapor moves from plants into the atmosphere, Fact2: Transpiration occurs as long as stomates are open., Question: what must happen for water vapor to move from plants into the atmosphere? (A) plant must be dead (B) Condensation (C) stomates must be open (D) evaporation (E) cells must be closed (F) must be cloudy (G) Warm air moving into cold air (H) vaporization

Ex Output:

C