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: Roundworms may be free-living or parasitic., Fact2: Roundworms make up the roundworm phylum, Nematoda., Question: What can the phylum Nematoda be? (A) dangerous (B) parasitic (C) horses (D) meiosis (E) more abundant (F) graptolites (G) homogenous (H) phytoplankton

Ex Output:
B


Ex Input:
Fact1: having food has a positive impact on an organism 's health, Fact2: Many fast food restaurants have published the nutrient content of their foods., Question: What has a positive impact on an organisms' health? (A) hunting predators (B) eating pebbles (C) eating bugs (D) exercise (E) circulatory systems (F) hydrogen and oxygen (G) nutrient content (H) coral reef

Ex Output:

G