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: Climate is generally described in terms of temperature and moisture., Fact2: Humidity is a measure of moisture content of air., Question: Climate is generally described in terms of temperature and what? (A) humidity (B) wind (C) warmer air (D) calibrated (E) percentages (F) matter (G) skin color (H) SI units
[A]: A


[Q]: Fact1: Flowing water can slowly dissolve carbon in sedimentary rock., Fact2: Rivers and streams are bodies of fresh, flowing water., Question: What can slowly dissolve carbon in sedimentary rock? (A) hydrocarbons (B) acetic acid (C) precipitation (D) evaporation (E) rivers and streams (F) puddles (G) ponds (H) nitrogen
[A]: E


[Q]: Fact1: a light bulb requires electrical energy to produce light, Fact2: Electrical energy refers to energy associated with the flow of electrons., Question: what does a light bulb require to produce light? (A) flow of electrons (B) flow of neutrons (C) the sun (D) adding heat (E) hydrogen and oxygen (F) an electron lens (G) h2o (H) chemical messengers
[A]:
A