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: a mirror is used for reflecting light, Fact2: Light seems to travel in rays or beams., Question: what can a mirror be used to reflect? (A) noble gases (B) air particles (C) glass (D) focusing a lens (E) rays or beams (F) photons (G) sun's heat (H) an electron lens
[A]: E


[Q]: Fact1: preventing the transfer of heat from an organims 's body causes that organism to keep warm, Fact2: Body heat is trapped in the haircoat., Question: The haircoat of a dog is useful for (A) recovery time from fatigue (B) When it's cold (C) protect them (D) finding bones (E) preventing dog days (F) keeping the dog warm (G) keeping the dog cool (H) water conservation
[A]: F


[Q]: Fact1: shelter is used for protection by animals against weather, Fact2: Trees provide shelter and food for animals., Question: What provides animals with protection against the weather? (A) Trees (B) skin (C) leaves (D) Rain (E) Flowers (F) fibers (G) wetland (H) Fruits
[A]:
A