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 rain subsided.
I went for a walk.
Example Output: effect

Example Input: The engine of the airplane was faulty.
The airplane crashed.
Example Output: effect

Example Input: The child woke up screaming.
He had a nightmare.
Example Output:
cause