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:
My friend's dog died.
I gave him a hug.

Ex Output:
effect


Ex Input:
The inside of the train went dark.
The train travelled through a tunnel.

Ex Output:

cause