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: Red-shift refers to a shift toward red in the spectrum from stars. Question: red-shift refers to a shift toward red in the spectrum from what celestial bodies?

A: stars
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Q: Sentence: Stationary front weather phenomenon, which may bring clouds and precipitation, is created by stalled air masses. Question: What weather phenomenon, which may bring clouds and precipitation, is created by stalled air masses?

A: stationary front
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Q: Sentence: The creation of a voltage across a current-carrying conductor by a magnetic field is known as hall effect. Question: The creation of a voltage across a current-carrying conductor by a magnetic field is known as what?

A:
hall effect
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