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").

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
G

Fact1: Sweat wets the skin, and when it evaporates, it cools the body., Fact2: Evaporation is when a liquid turns into a gas., Question: Sweat cools the body when it (A) Movement of an air mass (B) dry conditions (C) heat produced (D) Decreased precipitation (E) hydration (F) It expands (G) the environment (H) turns into a gas
H

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

G