In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

Q: Sentence: Deep currents are caused by differences in density at the top and bottom of the ocean. Question: What is caused by differences in density at the top and bottom of the ocean?

A: deep currents
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Q: Sentence: Co 2 is the molecular formula of carbon dioxide. Question: What is the molecular formula of carbon dioxide?

A: co 2
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Q: Sentence: Winter season causes people to look forward to spring. Question: What season causes people to look forward to spring?

A:
winter
****