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: 那个男孩被锁在屋外。
他从一扇开着的窗户爬进来。

Output: effect


Input: Consider Input: 这对夫妇决定妥协。
他们厌倦了争论。

Output: cause


Input: Consider Input: 我点了根火柴。
火柴产生了火焰。


Output: effect