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:
市民们把国旗挂在家门外。
这个国家正在纪念它的独立。

Ex Output:
cause


Ex Input:
商人的信用卡被拒绝了。
他用现金付了钱。

Ex Output:
effect


Ex Input:
木地板被划伤。
男孩把椅子拖过地板。

Ex Output:

cause