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").
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Question: 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

Answer: B


Question: Fact1: a ship is used for moving people across bodies of water, Fact2: An ocean is a large body of water., Question: What is used to move people across an ocean? (A) A wagon (B) A wave (C) energy (D) wind (E) oil (F) dolphins (G) A ship (H) A catapult

Answer: G


Question: Fact1: knowledge of the stars can be used to navigate, Fact2: Navigation is a key element of space travel., Question: What can knowledge of the stars be used for? (A) travel (B) art (C) as a base (D) safety (E) story telling (F) light source (G) vision (H) life

Answer:
A