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.

Input: Consider Input: 龙卷风穿过了整个城镇。
法院的屋顶被吹掉了。

Output: effect


Input: Consider Input: 学生拼错了这个词。
老师纠正了她。

Output: effect


Input: Consider Input: 我拧开了汽水瓶的盖子。
汽水冒泡了。


Output: effect