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: 我很生气。
离开家时，我砰地关上了门。

Output: effect


Input: Consider Input: 猫追赶那只鸟。
那只鸟飞走了。

Output: effect


Input: Consider Input: 老兵走路一跛一拐。
他在战斗中受伤了。


Output: cause