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]: 我踩在铝罐上。
罐被压碎了。
[EX A]: effect

[EX Q]: 侦探发现此案异常。
他推翻了他的推论。
[EX A]: effect

[EX Q]: 全国爆发了政治暴动。
许多公民去了其他领地避难。
[EX A]:
effect