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 poster stuck to the wall.
I put tape on the back of the poster.

A: cause
****
Q: The jewelry thieves were caught.
The stolen jewelry was returned to its owners.

A: effect
****
Q: The forest fire spread.
The winds became stronger.

A:
cause
****