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").

[EX Q]: Fact1: RNA is a small molecule that can squeeze through pores in the nuclear membrane., Fact2: Like proteins, DNA and RNA are polymers of various small chemically related molecules., Question: polymers of various small chemically related molecules can squeeze through pores in the what? (A) protein channel (B) transportation (C) nuclear membrane (D) interior chambers (E) nucleus (F) dermal & vascular tissue (G) cell division (H) Microscopic vessels.
[EX A]: C

[EX Q]: Fact1: vinegar can cause harm to the eyes, Fact2: Vinegar is dilute acetic acid., Question: What can acetic acid do to the eyes? (A) treat cataracts (B) harm them (C) Relieve pain (D) Dehydration (E) kill them (F) hydrate them (G) protect them (H) cleanse them
[EX A]: B

[EX Q]: Fact1: Muscle contraction occurs when muscle fibers get shorter., Fact2: Fibers are oriented diagonally across fiber., Question: muscle contraction occurs when a diagonally oriented part of muscle gets what? (A) shorter (B) longer (C) vertical (D) decreases (E) resistance (F) muscles (G) movement (H) forces
[EX A]:
A