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").

[Q]: Fact1: some animals' fur grows thicker for staying warm in the winter, Fact2: During winter, their hollow fur absorbs much heat as they sun themselves., Question: hollow fur keeps animals what (A) fats (B) camouflaged (C) safe (D) warm (E) cooled (F) liquid (G) live (H) from drowning
[A]: D


[Q]: 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
[A]: C


[Q]: Fact1: Carbon cycles quickly between organisms and the atmosphere., Fact2: Deforestation also disrupts the Carbon Cycle., Question: What disrupts organisms and the atmosphere? (A) fog (B) Sulfur dioxide (C) light rain (D) fossil fuels (E) Pesticides (F) water vapor (G) burning coal (H) deforestation
[A]:
H