Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.

Q: An emergency rescue vehicle sits a a gas pump.

A: A group of workers use hand towels to wash the exterior of a car at the gas station.
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Q: Subdued students in regimented ranks, stride across the courtyard.

A: Someone, in black tunic and gown, stands in an upper archway.
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Q: A man swigs from a bottle.

A:
It is snowing heavily outside.
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