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 dog barked.
A knock sounded at the door.

A: cause
****
Q: I woke up in the middle of the night feeling cold.
I put sweatpants on.

A: effect
****
Q: The girl joined the debate team.
She learned communication skills.

A:
effect
****