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").

Fact1: cross-pollination increases genetic diversity, Fact2: Evolution requires genetic diversity., Question: What does evolution require? (A) Time and energy (B) Plant reproduction (C) cross-pollination (D) Reproduction (E) gene flow (F) coded genes (G) circulatory systems (H) animals with backbones
C

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
D

Fact1: Reproduction is the process by which organisms give rise to offspring., Fact2: Seed refers to offspring, children., Question: How do organisms give rise to children? (A) mitosis (B) reproduction (C) reproductive isolation (D) Plants growth (E) it needs them (F) litter (G) by indirect light (H) replenishing

B