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: 熊洗劫了垃圾桶。
垃圾桶的盖子没盖上。

Output: cause


Input: Consider Input: 他的朋友结束讲话的时候，那个人保持着沉默。
他在思考他朋友的话。

Output: cause


Input: Consider Input: 体育场奏起了国歌。
球迷们转向国旗。


Output: effect