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: when the body is hot , sweat is produced to cool the body, Fact2: Exercise, fever, and heat cause the body's temperature to rise., Question: what causes sweat to be produced to cool a person down? (A) exercise and fever (B) wool pants (C) the sun (D) Movement of an air mass (E) shooting stars (F) Evaporation (G) centralized nervous system (H) water vapor
A