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 clouds looked dark.
I brought my umbrella to work.

Ex Output:
effect

Ex Input:
I turned on the fan.
I felt cool air pass over me.

Ex Output:
effect

Ex Input:
The patient went into a coma.
He suffered brain damage.

Ex Output:
cause