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: a stopwatch is used to measure time, Fact2: Reaction time was measured with a stopwatch in minutes and seconds., Question: What is used to measure minutes? (A) light (B) barometer (C) stopwatch (D) weater (E) thermometer (F) lamphreys (G) feedback (H) sound

Answer: C

Question: Fact1: Wings are part of the exoskeleton and attached to the thorax., Fact2: Insect wings are attached to the dorsal side of their thorax., Question: What side of an insect are wings attached to? (A) white (B) dorsal (C) protected (D) abdomen (E) elytra (F) three (G) strong (H) tail

Answer: B

Question: Fact1: Viruses are usually considered to be nonliving., Fact2: Influenza Virus Inluenza virus are negative-strand RNA viruses with a segmented genome., Question: What is considered to be nonliving? (A) illness (B) Staphylococcus (C) cigarettes (D) Influenza (E) Leptospirosis (F) bacteria (G) E. coli (H) Streptococcus

Answer:
D