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.

Example Input: 我很生气。
离开家时，我砰地关上了门。
Example Output: effect

Example Input: 桌子摇晃着。
地板不平。
Example Output: cause

Example Input: 我的办公室门是开着的。
我无意中听到大厅里的谈话。
Example Output:
effect