Instructions: 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: Cells are programmed to divide only a set number of times., Fact2: Apoptosis is programed cell death., Question: What kicks in after a certain number of divisions? (A) Energy. (B) antibiotics (C) Energy (D) separation (E) nerves (F) apoptosis (G) soccer leagues (H) Plants growth
Output:
F