In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
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Question: if a chemical reaction occurs, it might have been triggered by which of these? (A) a person yelling at it (B) a person walking by it (C) a person looking at it intently (D) a person cranking up the room heater

Answer: D


Question: Sleet is (A) potentially dangerous (B) poison (C) hot (D) unhealthy

Answer: A


Question: If substances are combined by pouring them together, they'll mix, such as (A) salt and oyster crackers (B) lettuce and roma tomato (C) coffee and hazelnut cream (D) whole milk and cheese

Answer:
C