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: freezing means changing from a liquid into a solid by reducing heat energy, Fact2: Frostbite is the freezing of body parts., Question: What is one result of reducing the heat energy of body parts? (A) dehydration (B) An uncomfortably hot sensation (C) Frostbite (D) layers of fat (E) anemia (F) Sweating (G) Weight (H) Muscle growth

Ex Output:
C


Ex Input:
Fact1: global warming is when worldwide temperature increases, Fact2: Mass extinction occurs in the ice age and global warming periods., Question: When worldwide temperature increases, mass what occurs? (A) extinction (B) deforestation (C) carbon (D) ice age (E) living (F) movement (G) It decreases (H) Pollution

Ex Output:
A


Ex Input:
Fact1: treating water is used to remove harmful substances before drinking, Fact2: Boiling is the most reliable way to treat contaminated water., Question: Boiling can make water less what to drink? (A) germs (B) safe (C) energy (D) pure (E) harmful (F) dangerous (G) wet (H) heat

Ex Output:

E