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.

Ex Input:
I struck the match.
The match produced a flame.

Ex Output:
effect


Ex Input:
We rode the roller coaster.
It looked fun.

Ex Output:
cause


Ex Input:
The warring countries wanted peace.
They negotiated a treaty.

Ex Output:

effect