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:
我拉了橡皮筋。
它伸展开了。

Ex Output:
effect


Ex Input:
这个学生接受了辅导。
他的成绩提高了。

Ex Output:
effect


Ex Input:
我拉扯了那个骗子的头发。
她的假发掉了。

Ex Output:

effect