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").

[EX Q]: 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
[EX A]: C

[EX Q]: Fact1: Fertilization occurs when a sperm and an egg fuse., Fact2: Pregnancy begins with a fertilized egg., Question: what begins when a sperm and an egg fuse? (A) Leptospirosis (B) cellular regeneration (C) h2o (D) seeds (E) death (F) pollen (G) pregnancy (H) competition
[EX A]: G

[EX Q]: Fact1: high pressure systems cause clear weather, Fact2: Bermuda high-pressure systems are a frequent summer visitor., Question: What causes clear weather? (A) Animal survival (B) looseness of dirt or compost (C) the looseness of soil (D) windpower operated machines (E) our nearest star (F) The area was once underwater (G) electromagnetic energy (H) Something from Bermuda
[EX A]:
H