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 woman's purse was missing.
She left it unsupervised.

SOLUTION: cause

PROBLEM: The tree shed its leaves.
The leaves accumulated on the ground.

SOLUTION: effect

PROBLEM: The scientist gained recognition.
She discovered a new species.

SOLUTION:
cause