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 plane hit some turbulence.
The man tightened his seatbelt.

Ex Output:
effect


Ex Input:
I rubbed sandpaper on the wood.
The wood became smooth.

Ex Output:
effect


Ex Input:
The girl stayed home from school.
She had chicken pox.

Ex Output:

cause