TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: Someone holds someone's arm.

SOLUTION: They start to follow him.

PROBLEM: He is wake boarding behind a boat.

SOLUTION: A boat pulls a man up in the water.

PROBLEM: Someone leads his way through the throng.

SOLUTION:
Inside, someone continues making his way up a spiral staircase against the tide of students.