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: 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
[EX A]: G

[EX Q]: Fact1: shelter is used for protection by animals against weather, Fact2: Caves or rock overhangs provide shelter., Question: What do animals find protection from when using rock overhangs? (A) sun's heat (B) insects (C) weather (D) erosion (E) rivers (F) bats (G) wind (H) the sun
[EX A]: C

[EX Q]: Fact1: Bacteria are the most diverse and abundant group of organisms on Earth., Fact2: Bacteria and blue-green bacteria are prokaryotic cells., Question: What are the most diverse and abundant group of organisms on Earth? (A) ecosystems (B) jellyfish (C) holding nutrients (D) ribonucleic acid (E) coelenterates (F) prokaryotic cells (G) arachnids (H) angiosperm
[EX A]:
F