In this task your given two statements in Chinese. 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.

[EX Q]: 我敲了邻居的门。
我的邻居邀请我进来。
[EX A]: effect

[EX Q]: 我把酒洒在衬衫上了。
我换了衬衫。
[EX A]: effect

[EX Q]: 草坪是泥泞的。
下了一夜的雨。
[EX A]:
cause