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.

我把水果忘在桌子上了。
苍蝇挤满了那水果。
effect

温度计中的汞上升。
天气变暖和了。
cause

我推了门。
门开了。

effect