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: hydropower requires damming a river, Fact2: Another source of energy is hydropower., Question: What is a source of energy? (A) fossil fuels (B) cooking (C) damming a river (D) sleeping (E) napping (F) Electrical energy (G) our nearest star (H) sunlight
[A]: C

[Q]: Fact1: a watch is used for measuring time, Fact2: Times are measured in seconds., Question: What do watches need to keep track of? (A) protection (B) Days (C) vibration (D) Seconds (E) Years (F) satellites (G) Months (H) movement
[A]:
D