Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.

Ex Input:
Someone grabs someone and throws the string down.

Ex Output:
While someone bounces a ball off a wall.

Ex Input:
A horse tips over backward with a a person on it.

Ex Output:
A man riding a horse gets bucked off.

Ex Input:
The girl speeds down a slide in front of playground.

Ex Output:
A child climbs up the wall of playground equipment.