Definition: 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").
Input: Fact1: Sex hormones are chemical messengers that control sexual development and reproduction., Fact2: Estrogens are female sex hormones., Question: Which chemical controls sexual development and reproduction in females? (A) acetic acid (B) Hemoglobin (C) Fructose (D) barnacles (E) animals (F) Estrogen (G) Pesticides (H) Baby spray
Output:
F