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.

The surfer caught the wave.
The wave carried her to the shore.
effect

The man punctured his foot.
He stepped on broken glass.
cause

A crater formed on the moon.
A comet collided with the moon.

cause