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.

[Q]: 这个女孩考试犯了一个错误。
她抹去了她的答案。
[A]: effect


[Q]: 警察搜查了罪犯的汽车。
他们在寻找非法毒品。
[A]: cause


[Q]: 我熬夜了。
我早上很累。
[A]:
effect