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: 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: extreme heat and pressure change rock into metamorphic rock, Fact2: Marble is a form of metamorphic rock., Question: What is formed from extreme heat and pressure? (A) glass (B) marble (C) crust (D) soils (E) coal (F) sugar (G) calcite (H) arteries
[EX A]: B

[EX Q]: Fact1: a rubber band snapping causes the particles in the rubber band to vibrate, Fact2: Heat causes molecules of the material to vibrate., Question: A rubber band snapping causes the particles in the rubber band to (A) Rise (B) Loose (C) energy (D) heat (E) sound (F) expand (G) waves (H) struck
[EX A]:
D