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: conserving water can be used for survival in a dry environment, Fact2: We learned about desert plants and how they adapt themselves to the hot dry desert environment so they can survive., Question: Plants can conserve water in order to survive where? (A) our planet (B) in a vacuum (C) in the desert (D) Earth's atmosphere (E) In the winter (F) in a laboratory (G) on the moon (H) forest is destroyed
[A]: C


[Q]: Fact1: boiling is when liquids are heated above their boiling point, Fact2: Lots of gas bubbles burst over the boiling lakes' surface., Question: What happens when liquids are heated? (A) Evaporation (B) chemical reaction (C) air is cooled (D) food is chilled (E) It expands (F) gas bubbles burst (G) flow of electrons (H) bubbles reduce
[A]:
F