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:
学生急忙读完这本书。
它本来要归还给图书馆的。

Ex Output:
cause


Ex Input:
那人接受了紧急手术。
他心脏病发作。

Ex Output:
cause


Ex Input:
父母希望他们的孩子上大学。
他们拨出一个储蓄基金作为学费。

Ex Output:

effect