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:
The boy failed his history exam.
He forgot to study.

Ex Output:
cause


Ex Input:
The student forgot to do her assignment.
She made up an excuse to tell the teacher.

Ex Output:
effect


Ex Input:
A meteorite landed in the ocean.
A tsunami occurred.

Ex Output:

effect