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: Butter is a fat that is a solid at room temperature., Fact2: Room temperatures between 40 and 80 Fahrenheit, or 5 and 27 Celsius, are best for storage., Question: When is butter a solid? (A) rapid changes occur (B) protect eyes in the lab (C) around 5 to 27 degrees Celsius (D) one effect of diabetes (E) protein foreign to the body. (F) natural atmosphere component (G) reduce acidity of food (H) speed at which sound moves
[EX A]: C

[EX Q]: Fact1: Most people can survive only a few days without water., Fact2: Water is the best fluid for hydration., Question: What can people only survive a few days without? (A) dehydration (B) hydration (C) bacteria (D) sodium (E) food (F) yogurt (G) Chlorophyll (H) oxygen
[EX A]: B

[EX Q]: Fact1: Thyroid hormones increase the rate of metabolism in cells throughout the body., Fact2: Metabolism is the process of converting food to energy., Question: Thyroid hormones increase the rate of  (A) by making heat (B) the rest of the body (C) female sex cells (D) Helps them grow (E) hydration of their cells (F) heat produced (G) converting food to energy (H) aerobic capacity
[EX A]:
G