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: 雪挡住了车道。
我把雪铲开了。

Output: effect


Input: Consider Input: 用购物中心取代当地公园的计划被宣布了。
环保主义者开始了请愿。

Output: effect


Input: Consider Input: 司机绕道而行。
主干道上发生了一起事故。


Output: cause