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]: 丈夫发现他的妻子有外遇。
他提出离婚。
[A]: effect


[Q]: 该名男子预计他的旅途中的天气会很冷。
他把保暖的衣服装进行李箱里。
[A]: effect


[Q]: 男孩被这个谜语难住了。
他要求一个提示。
[A]:
effect