Teacher: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").
Teacher: Now, understand the problem? Solve this instance: Fact1: Endocrine hormones travel throughout the body in the blood., Fact2: Puberty leads to hormonal and sexual changes., Question: Puberty leads to sexual changes that travel throughout the body in what? (A) blood (B) A drug. (C) hair (D) sleep (E) painful (F) years (G) eyes (H) chest
Student:
A