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").

Input: Consider 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

Output: C


Input: Consider Input: Fact1: Earthworms are important deposit feeders that help form and enrich soil., Fact2: Tulips perform best in a sandy, organically enriched soil., Question: Earthworms help form and add what to soil (A) Sediment (B) organic material (C) Converting waste. (D) bacteria (E) heat (F) Chemical energy (G) grass (H) acidity

Output: B


Input: Consider Input: Fact1: preventing the transfer of heat from an organims 's body causes that organism to keep warm, Fact2: Radiation is the major method of heat transfer warming Bob's face., Question: what keeps humans warm? (A) Animal fur (B) Solar energy (C) wind (D) radiation (E) Evaporation (F) snow (G) magnets (H) exoskeleton


Output: D