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").

[Q]: Fact1: Cancer is a disease in which cells divide out of control., Fact2: Cancer is also caused by a mutation., Question: What can mutations lead to in which cells divide out of control? (A) Smoking (B) resistance (C) a disease (D) viruses (E) AIDS (F) bacteria (G) Leptospirosis (H) cigarettes
[A]: C


[Q]: Fact1: keeping food cold is used for keeping food fresh, Fact2: A refrigerator that keeps food cold., Question: What is a refrigerator used for? (A) Electrical energy (B) A place to hang magnets (C) Cooling your home (D) staying warm (E) A doorstop (F) electricity (G) energy usage (H) Keeping food fresh
[A]: H


[Q]: Fact1: fanning a fire increases the oxygen near the fire, Fact2: Fire needs oxygen to continue burning., Question: What does fanning a fire do? (A) it keeps an organism warm (B) Puts the fire out (C) Makes the fire colder (D) heat is produced (E) Allow it to continue to burn (F) lowered energy cost (G) Makes it blue instead of red (H) converting electricity to heat
[A]:
E