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]: 我裤子口袋里的钥匙不见了。
这个口袋上有一个洞。
[A]: cause


[Q]: 人群越来越多。
父亲握住儿子的手。
[A]: effect


[Q]: 我向我的朋友道歉了。
我的朋友原谅了我。
[A]:
effect