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: 研究人员证明了这一理论。
大众接受了这一理论。

Output: effect


Input: Consider Input: 那人凝视着夜空。
他认为它很漂亮。

Output: cause


Input: Consider Input: 这对夫妇签了一份公寓租约。
这对夫妇搬进了公寓。


Output: effect