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: Growth is faster during infancy than it is during puberty., Fact2: Adolescence begins with puberty., Question: When is human growth fastest? (A) the cervix (B) 22 months (C) 86400 (D) percents (E) life (F) infancy (G) adult (H) winter
A:
F