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: Glucose is used for energy by the cells of most organisms., Fact2: Glucose metabolism relates to how cells use or store glucose., Question: what do cells do with glucose? (A) live (B) grow (C) reacts (D) energy. (E) survive (F) store (G) sleep (H) move
[EX A]: F

[EX Q]: Fact1: insulated material can be used for keeping warm, Fact2: An insulated cup with a cover is great for keeping beverages warm., Question: How do you keep a cup hot? (A) less water (B) electricity (C) heat energy (D) adding heat (E) energy usage (F) insulation (G) squeeze (H) energy
[EX A]: F

[EX Q]: Fact1: hitting an object causes the particles in that object to vibrate, Fact2: Sounds are caused by vibrations., Question: hitting an object causes (A) flooding (B) voltage (C) heat (D) waves (E) Sounds (F) friction (G) kinetic (H) cracks
[EX A]:
E