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: I spit out the milk.
The milk tasted sour.

A: cause
****
Q: I wanted to lighten the mood of the conversation.
I told a joke.

A: effect
****
Q: The tree damaged the house.
The tree fell onto the roof.

A:
cause
****