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.

Example Input: The criminal turned himself in.
The evidence implicated him.
Example Output: cause

Example Input: I saw a woman getting robbed on the street.
I called 911.
Example Output: effect

Example Input: The boy sharpened the pencil.
It was dull.
Example Output:
cause