TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: They go down the white waters with their paddles.

SOLUTION: A group of kayakers are gathered at a rapid river.

PROBLEM: She wakes looks right him and pries herself free.

SOLUTION: Someone lies on his side with his arms around someone.

PROBLEM: He slumps to the ground.

SOLUTION:
Now someone's motorcycle sits on a truck's flatbed.