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: Food chewed evenly during mastication moisten and lubricate the lining of the mouth and this? Question: Food chewed evenly during mastication moisten and lubricate the lining of the mouth and this?

A: pharynx
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Q: Sentence: An experiment is a controlled scientific test that often takes place in a lab. Question: What is a controlled scientific test that often takes place in a lab?

A: an experiment
****
Q: Sentence: About about 2 km tall can mid-ocean ridges be. Question: About how tall can mid-ocean ridges be?

A:
about 2 km
****