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: The lawyer took the stairs up to her office.
The elevator was out of order.

SOLUTION: cause

PROBLEM: The woman set an ambitious goal.
She worked hard.

SOLUTION: effect

PROBLEM: The boy skipped dinner.
He ate a big lunch.

SOLUTION:
cause