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 Q]: Fact1: having food has a positive impact on an organism 's health, Fact2: For the food of bread is daily food., Question: having bread daily has a positive impact on some organism 's what (A) shelter (B) environment (C) growth (D) survive (E) nutrients (F) health (G) humans (H) habitat
[EX A]: F

[EX Q]: Fact1: Mutations that lead to cancer usually occur in genes that control the cell cycle., Fact2: Cancer is an example of a mutation in cells., Question: What usually occur in genes that control the cell cycle? (A) Leptospirosis (B) competition (C) A Greek letter (D) a mutation in cells (E) Plant reproduction (F) biological diversity (G) resistance (H) resistance activities
[EX A]: D

[EX Q]: Fact1: Mammals can also generate little bursts of heat by shivering., Fact2: Most mammals can be active even in cold weather because they are warm-blooded., Question: which can help warm-blooded animals stay active in cold? (A) shivering (B) four limbs (C) Animal fur (D) sleep (E) sweating (F) hibernation (G) cold blood (H) fur seals
[EX A]:
A