instruction:
Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
question:
An emergency rescue vehicle sits a a gas pump.
answer:
A group of workers use hand towels to wash the exterior of a car at the gas station.

question:
He talks to the camera for a moment.
answer:
A man in a purple shirt is talking to the camera.

question:
Peering at him through dark sunglasses, someone coolly strolls up to the military commander.
answer:
Someone hooks his finger around the grenade's pin.