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:
My eyes became red and puffy.
I was sobbing.

Ex Output:
cause


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

Ex Output:
cause


Ex Input:
I spit out the milk.
The milk tasted sour.

Ex Output:

cause