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:
研究人员证明了这一理论。
大众接受了这一理论。

Ex Output:
effect


Ex Input:
那人的头撞了一下。
他得了脑震荡。

Ex Output:
effect


Ex Input:
那女人撞到沙发上。
她擦伤了膝盖。

Ex Output:

effect