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: Consider Input: Fact1: Aging occurs as cells lose their ability to divide., Fact2: Death is attributed to the infirmities of old age., Question: What occurs as cells lose their ability to divide? (A) illness (B) Winter (C) disease (D) death (E) youth (F) die (G) black holes (H) cell growth

Output: D

Input: Consider Input: Fact1: Centrioles are organelles involved in cell division., Fact2: Mitosis is cell division., Question: What are organelles involved in mitosis? (A) animals (B) Conifers (C) Most plants (D) it needs them (E) graptolites (F) fur seals (G) centrioles (H) sensory neurons

Output: G

Input: Consider Input: Fact1: a prism is used for refracting light, Fact2: Prism A prism is a solid geometric shape., Question: What can refract light? (A) focusing a lens (B) Electrical energy (C) solid geometric shapes (D) an electron lens (E) Something formed from skeleton (F) single-celled organisms (G) living things (H) an electron microscope
Output: C