instruction:
Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
question:
The janitor returns with his bucket.
answer:
Someone coolly glances over his shoulder.

question:
He then stands in front of a wall pushing himself forward.
answer:
He begins moving himself forward on the pole.

question:
A man records a close up of a tube and pushing it into a woman standing in the snow.
answer:
A large track is shown with several people riding down on tubes at once.