instruction:
Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
question:
It swings open revealing a stunned someone on her cellphone.
answer:
Someone faces a door and knocks.


question:
He puts it in his pocket.
answer:
Someone steps inside the vault and snatches up the package.


question:
A man picks up a speed bike and rides away.
answer:

A green bike is leaned against a group of boxes.