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: Centrioles are organelles involved in cell division., Fact2: Centrioles come in pairs., Question: Organelles that come in pairs are involved in what? (A) movement (B) Veins and arteries. (C) competition (D) Plants growth (E) Animal survival (F) cell division (G) an organism's body (H) Plant reproduction
Output:
F