instruction:
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.
question:
They travelers checked into their hotel room.
They unpacked their suitcases.
answer:
effect


question:
The police closed the investigation.
They apprehended the suspect.
answer:
cause


question:
A tree fell on the power line.
The electricity in the neighborhood went out.
answer:

effect