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: global warming is when worldwide temperature increases, Fact2: Global warming is caused by carbon dioxide trapped in the atmosphere., Question: What does carbon dioxide cause? (A) skateboards (B) Greenhouse gases (C) Worldwide temperature increase (D) major threat to health (E) direct damage to the lungs (F) running (G) a lot of human deaths (H) Temperature decrease

A: C
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Q: 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

A: D
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Q: Fact1: Earth 's tilt on its rotating axis causes seasons to change, Fact2: Spring, summer,autumn and winter are seasons., Question: What is caused by Earth 's tilt on its rotating axis? (A) erosion (B) Day and night (C) rainfall (D) Weather (E) wind (F) Gravity (G) Winter (H) flooding

A:
G
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