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 Q]: 孩子将鱼食撒进水缸。
鱼游向了食物。
[EX A]: effect

[EX Q]: 女孩换了学校。
她搬到了一个新城镇。
[EX A]: cause

[EX Q]: 编辑在手稿中改写了一句话。
他认为那句子不清楚。
[EX A]:
cause