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: if gas is heated then that gas will expand, Fact2: An increase in temperature causes a gas to expand., Question: what affects a gas? (A) electricity (B) kinetic energy (C) temperature (D) Evaporation (E) salinity (F) Pollution (G) wind (H) magnetism
[A]: C

[Q]: Fact1: Evaporation of sweat uses energy, and the energy comes from body heat., Fact2: When sweat is evaporated into the air, it provides additional cooling., Question: Energy that comes from body heat can help with (A) recovery (B) commuting (C) movement (D) cooling (E) strength (F) stay warm (G) health (H) motion
[A]: D

[Q]: Fact1: eating something that contains pollutants has a negative impact on an organism 's survival, Fact2: Pollution can kill living organisms directly and selectively, affecting biodiversity in the oceans., Question: Eating something that contains what can kill directly and selectively? (A) berries (B) candy (C) pollutants (D) Pesticides (E) influenza (F) humans (G) mushrooms (H) viruses
[A]:
C