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: Evolution is a change in the characteristics of living things over time., Fact2: Trees are the largest of living things., Question: Evolution changes the characteristics of what over time? (A) the Moon (B) Man (C) life (D) trees (E) rocks (F) the Sun (G) humans (H) plants

Answer: D


Question: Fact1: Grasses supply most of the food consumed by people worldwide., Fact2: Grasses are an important source of food for people as well as animals., Question: What relies on grass as a food source? (A) Bacteria (B) Soil (C) humans (D) More grass (E) perennials (F) alpacas (G) Animals (H) tortoises

Answer:
G