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.

Q: The boy couldn't fall asleep.
He counted sheep.

A: effect
****
Q: The bolt tightened.
I twisted the wrench.

A: cause
****
Q: The boy was lost in the woods.
He screamed for help.

A:
effect
****