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: safety goggles are used for protecting the eyes during experiments, Fact2: Firm plastic eyeglasses or goggles are better., Question: What protects the eyes during experiments? (A) magnesium (B) Chemicals (C) Vibrissae (D) Type O (E) Rolex (F) plastic (G) water (H) wind

Ex Output:
F


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: living things all require energy for survival, Fact2: Food is a source of energy for the body., Question: What does food help a living thing do? (A) Regrows it (B) growth (C) health (D) stay warm (E) Survive (F) Reproduce (G) Walk (H) Hunt

Ex Output:

E