instruction:
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").
question:
Fact1: Antigens are molecules that the immune system recognizes as foreign to the body., Fact2: Children are born with an immature immune, or defense, system., Question: What are molecules that the defense system recognizes as foreign to the body? (A) Allergies (B) lungs (C) antigens (D) bacteria (E) parasites (F) atoms (G) red blood cells (H) acetic acid
answer:
C


question:
Fact1: cold fronts cause thunderstorms as they pass by, Fact2: Thunderstorms create havoc., Question: What do cold fronts cause? (A) death (B) complex (C) wind (D) streams (E) deadly (F) disease (G) havoc (H) mildew
answer:
G


question:
Fact1: protein is used to repair cells by the human body, Fact2: Pain in the body indicates there is a wound which requires cell repair and cell regeneration., Question: what does wound healing require (A) protein (B) nutrients (C) Enzymes (D) food (E) blood (F) amino acids (G) carbohydrates (H) cells
answer:

A