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:
那女人的鸡蛋用完了。
她去了超市。

Ex Output:
effect


Ex Input:
我到课时迟到了。
我在后排坐下了。

Ex Output:
effect


Ex Input:
收银员打开了收银机。
顾客把钱递过来了。

Ex Output:

cause