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 Input:
这个女孩精疲力竭。
她跳了绳。

Ex Output:
cause


Ex Input:
我感到筋疲力尽。
我很早就上床睡觉了。

Ex Output:
effect


Ex Input:
那人喷了古龙水。
他想给他的约会对象留下深刻印象。

Ex Output:

cause