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 book became a huge bestseller.
It was adapted into a movie.

Ex Output:
effect


Ex Input:
The girl pushed her friend.
Her friend fell over.

Ex Output:
effect


Ex Input:
The boy tripped.
His shoelaces were untied.

Ex Output:

cause