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: skin is used for protecting the body from harmful substances, Fact2: Skin is the body's largest organ., Question: What can protect the body from harmful substances? (A) the body's largest organ (B) layers of fat (C) Electric devices (D) bones (E) sunburns (F) hard outer covering (G) deoxyribonucleic acid (H) muscle

Ex Output:
A


Ex Input:
Fact1: exercise increases a body 's strength, Fact2: Strength is increased by resistance activities., Question: which of the following are a type of exercise? (A) resistance activities (B) fantasy football (C) sitting down (D) Relieve pain (E) Something that is self-aware (F) running for office (G) animal behaviorists (H) Riding a bike

Ex Output:
A


Ex Input:
Fact1: Roots have primary and secondary meristems for growth in length and width., Fact2: Size is measured by width and length., Question: growth in what is caused by primary and secondary meristems in roots? (A) H 2 O (B) bamboo (C) population (D) offspring (E) bushes (F) bulbs (G) clouds (H) size

Ex Output:

H