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").

Input: Consider Input: Fact1: Fertilization occurs when sperm swim to an egg inside an archegonium., Fact2: Gametes in males are called sperm, and in women commonly referred to as eggs., Question: What occurs when a male gamete swims to an egg? (A) permineralization (B) competition (C) movement (D) rapid expansion (E) fertilization (F) birth (G) copulation (H) ovulation

Output: E


Input: Consider Input: 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

Output: B


Input: Consider Input: Fact1: Most pituitary hormones control other endocrine glands., Fact2: Hormone therapy Hormones are substances that occur naturally in the body., Question: What do substances in the pituitary control? (A) To keep their body heat. (B) sweating (C) endocrine glands (D) temperature (E) preventing heat transfer (F) an organism's body (G) movement (H) Veins and arteries.


Output: C