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.
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Question: 电梯门开了。
电梯到达指定的楼层。

Answer: cause


Question: 那人在阳光下吃了冰淇淋。
冰淇淋从蛋卷上滴下来。

Answer: effect


Question: 风吹过开着的窗户。
窗帘抖动了。

Answer:
effect