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: gravity causes objects that have mass to be pulled down on a planet, Fact2: Rocks have mass., Question: What does gravity cause to be pulled down on a planet? (A) matter (B) heat (C) earth (D) solutes (E) oceans (F) Rocks (G) people (H) Lift
[A]: F


[Q]: Fact1: Sweat wets the skin, and when it evaporates, it cools the body., Fact2: Evaporation is when a liquid turns into a gas., Question: Sweat cools the body when it (A) Movement of an air mass (B) dry conditions (C) heat produced (D) Decreased precipitation (E) hydration (F) It expands (G) the environment (H) turns into a gas
[A]: H


[Q]: Fact1: Carbon cycles quickly between organisms and the atmosphere., Fact2: An organic molecule is one involving carbon., Question: What cycle quickly between organisms and the atmosphere? (A) chlorofluorocarbons (B) organic molecules (C) Most plants (D) Greenhouse gasses (E) Greenhouse gases (F) emissions (G) fossil fuels (H) Burning fuel and air
[A]:
B