TASK DEFINITION: In this task your given two statements. You must judge whether the second sentence is the cause or effect of the first one. Label the instances as "cause" or "effect" based on your judgment. The sentences are separated by a newline character.
PROBLEM: The man wore a lifejacket in the water.
He couldn't swim.

SOLUTION: cause

PROBLEM: The man closed the umbrella.
He approached the building.

SOLUTION: cause

PROBLEM: I pushed the wagon.
The wagon wheels spun forward.

SOLUTION:
effect