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 girl bit her nails.
She was worried.

A: cause
****
Q: I wiped my hands with a towel.
My hands were wet.

A: cause
****
Q: The clay hardened.
The potter put the clay in the oven.

A:
cause
****