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").

Q: Fact1: All plants have a characteristic life cycle that includes alternation of generations., Fact2: Plants have chlorophyll and an alternation of generations ., Question: What have chlorophyll and a characteristic life cycle? (A) vases (B) Fungi (C) models (D) Trees (E) Conifers (F) plants (G) seeds (H) greenhouses

A: F
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Q: Fact1: a breathing mask is used for keeping harmful particles from entering the respiratory system, Fact2: Oxygen enters the respiratory system through the mouth and the nose., Question: Breathing masks are used to keep harmful particles from entering the mouth and the what? (A) body (B) eyes (C) air (D) skin (E) gullet (F) nose (G) ears (H) lungs

A: F
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Q: Fact1: staying warm has a positive impact on an animal 's survival, Fact2: Animals that survive develop an immunity, but are also carriers for life., Question: what has a positive impact on an animal 's ability to be a carrier for life? (A) four limbs (B) staying frosty (C) staying isolated (D) prolactin release (E) staying warm (F) staying mad (G) coded genes (H) organic molecules

A:
E
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