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 movie tickets sold out.
It was opening day for the movie.

Ex Output:
cause


Ex Input:
The photographer forgot to use the flash on the camera.
The photos turned out blurry.

Ex Output:
effect


Ex Input:
The man remained silent when his friend finishing speaking.
He was thinking about his friend's words.

Ex Output:

cause