TASK DEFINITION: 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.
PROBLEM: I stayed up late.
I was tired in the morning.

SOLUTION: effect

PROBLEM: The seasons changed from summer to autumn.
Leaves fell from the trees.

SOLUTION: effect

PROBLEM: The button on my shirt fell off.
I sewed the button back on.

SOLUTION:
effect