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: Mating is generally preceded by courtship., Fact2: For example, a black rooster and a white hen mate, and the resulting offspring are gray., Question: What can result in offspring? (A) seeds (B) competition (C) courtship (D) travel (E) resistance (F) solitude (G) litter (H) reading

Answer: C


Question: Fact1: melting means changing from a solid into a liquid by adding heat energy, Fact2: Ice is the solid form of water., Question: What changes ice to water by adding heat energy? (A) mussels (B) melting (C) freezing (D) fertilization (E) storms (F) boiling (G) engines (H) condensation

Answer: B


Question: Fact1: a cactus stem is used for storing water, Fact2: Typically, the liquid is water., Question: A cactus stem is used for storing what? (A) dust (B) rain (C) excretory (D) nutrients (E) excretion (F) food (G) liquid (H) ice

Answer:
G