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]: 交通灯变黄了。
司机踩了刹车。
[EX A]: effect

[EX Q]: 男孩捏了女孩的肘部。
她猛地把手臂从他身上拉开。
[EX A]: effect

[EX Q]: 男孩的手指变得皱了。
他洗了很长时间澡。
[EX A]:
cause