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.

Ex Input:
我建议我的客人出去吃饭。
我太累了，什么都准备不了。

Ex Output:
cause


Ex Input:
雪挡住了车道。
我把雪铲开了。

Ex Output:
effect


Ex Input:
我看着太阳。
太阳使我失明。

Ex Output:

effect