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: Courtship is behavior that is intended to attract a mate., Fact2: Complex courtship rituals precede mating., Question: What are behavior that is intended to attract a mate? (A) a doorbell (B) firm hugs (C) Complex rituals (D) Riding a bike (E) Behaviour modifications (F) Magnets (G) honeybees (H) Friendship

Ex Output:
C


Ex Input:
Fact1: Flagella help prokaryotes move., Fact2: Bacteria are prokaryote cells., Question: Bacteria gets help moving from what?  (A) environment (B) lysosomes (C) food (D) cytoplasm (E) rhizome (F) light energy (G) flagella (H) the skin

Ex Output:
G


Ex Input:
Fact1: when a gas in an open container evaporates , that gas spreads out into the air, Fact2: Evaporation is when a liquid turns into a gas., Question: What spreads into the air from a liquid stored in an open container? (A) food (B) 17 (C) heat (D) gas (E) plasma (F) water (G) solids (H) rain

Ex Output:

D