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.

人群越来越多。
父亲握住儿子的手。
effect

时钟响了。
整点到了。
cause

我讲话停了下来了。
我气喘吁吁。

cause