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: a stopwatch is used to measure time, Fact2: Reaction time was measured with a stopwatch in minutes and seconds., Question: What is used to measure minutes? (A) light (B) barometer (C) stopwatch (D) weater (E) thermometer (F) lamphreys (G) feedback (H) sound
[A]: C

[Q]: Fact1: lungs are used for breathing air by land animals, Fact2: Elephants are the largest animals on land., Question: What uses lungs for breathing air? (A) rocks (B) some mammals (C) Frogs (D) monotremes (E) humans (F) bacteria (G) elephants (H) oak trees
[A]: G

[Q]: Fact1: Most fungi get organic compounds from dead organisms., Fact2: Bacteria, fungi and plants can be used to break down organic compounds or extract metals., Question: What is one thing organic compounds can be broken down by? (A) glucose (B) chemicals (C) trees (D) Cooking (E) oxygen (F) plants (G) Acids (H) bacteria
[A]:
F