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: tidal energy can be used to produce electricity, Fact2: Tidal energy is renewable ., Question: What can renewable energy be used for? (A) Creating more fossil fuels (B) health (C) Quality of life (D) Measuring water (E) Global warming (F) root growth (G) Electricty (H) staying warm

A: G
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Q: Fact1: plant requires seed dispersal for reproduction, Fact2: Reproductive investment was measured as seed mass, samara size, and dispersal ability., Question: What requires investment, seed mass, size and dispersal? (A) plants (B) Species (C) animals (D) coral (E) Oak (F) gene flow (G) Frogs (H) mussels

A: A
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Q: Fact1: if a planet becomes too hot then that planet cannot sustain life, Fact2: Global warming linked to human emissions of heat-trapping gases is changing the planet's climate., Question: Global warming most threatens the Earth's ability to do what? (A) Sustain life (B) reproduce (C) Melt polar ice caps (D) growth (E) protect them (F) Resist erosion (G) to move people (H) Produce fossil fuels

A:
A
****