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]: 侦探们在犯罪现场撒了粉来显示指纹。
他们发现了凶手的身份。
[EX A]: effect

[EX Q]: 那个女人用冷水冲洗着她的手指。
她的手指在烤面包机上烫到了。
[EX A]: cause

[EX Q]: 学生忘了做作业。
她给老师编造了一个借口。
[EX A]:
effect