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.

The boy painted a picture for his mother.
His mother hung the picture on the wall.
effect

The nation endured a natural disaster.
Leaders of other countries sent emergency relief.
effect

The police searched the offender's car.
They were looking for illegal drugs.

cause