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:
那人和我争吵了。
我的朋友支持我。

Ex Output:
effect


Ex Input:
我敲了邻居的门。
我的邻居邀请我进来。

Ex Output:
effect


Ex Input:
我自行车上的轮胎没气了。
我把空气注入轮胎里。

Ex Output:

effect