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: 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: Plants that shed their leaves seasonally each year are called deciduous plants., Fact2: Vines are perennial, deciduous climbing plants., Question: What sheds their leaves seasonally each year? (A) camels (B) oak (C) Spruce (D) fens (E) Trees (F) burrs (G) apples (H) vines

Answer: H

Question: Fact1: Viruses cannot reproduce by themselves., Fact2: Viruses Viruses are the smallest agents of disease., Question: the smallest agents of what cannot reproduce by themselves? (A) Pesticides (B) bacteria (C) Allergies (D) fungi (E) animals (F) dangerous (G) ferns (H) disease

Answer:
H