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: My friend paid for my ticket.
I paid her back.

A: effect
****
Q: The milk stayed cold.
I stored it in the refrigerator.

A: cause
****
Q: The teenager ran away from home.
His parents abused him.

A:
cause
****