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: Insulin helps cells take up glucose from the blood., Fact2: Insulin made by a person's own pancreas is endogenous insulin., Question: what type of compounds produced by a person's pancreas help cells take up compounds (A) Energy (B) natural (C) mineral (D) endogenous (E) Break down food (F) it needs them (G) sweat glands (H) Energy.
[A]: D


[Q]: Fact1: matter vibrating can cause sound, Fact2: Thus, sound is a wave in air ., Question: what can matter vibrating cause? (A) Pollution (B) energy (C) Relieve pain (D) kinetic energy (E) wave in air (F) Energy. (G) murmur (H) Greenhouse gases
[A]: E


[Q]: Fact1: Mollusks are a major food source for other organisms, including humans., Fact2: Interestingly, a squid is also a mollusk., Question: What is a food source for humans? (A) trees (B) sugar (C) carbon dioxide (D) squid (E) rocks (F) plants (G) dirt (H) animals
[A]:
D