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: seeing requires light, Fact2: Sight is the mere ability to see, and the eye's responses to light shining into it., Question: What do eyes require? (A) a form of oxygen (B) Light shining into it (C) Exposure to oxygen and water (D) A dark environment (E) Contact lenses (F) melanin amount (G) tissue made of chondrocytes (H) Glasses
[A]: B


[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
[A]: B


[Q]: Fact1: Touch is the ability to sense pressure., Fact2: Nerve damage that causes a reduction in the ability to feel touch or pain is very dangerous., Question: What can sense pressure? (A) thermometers (B) pressure cookers (C) sharks (D) fur seals (E) nerves (F) animals (G) humans (H) skin cells
[A]:
E