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 seasons changed from summer to autumn.
Leaves fell from the trees.
effect

The player won five games in a row.
Her opponent accused her of cheating.
effect

I bought my mother a present.
It was her birthday.

cause