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: 孩子打嗝了。
他大喝了一口苏打水。

Answer: cause


Question: 汉堡肉变成焦褐色了。
厨师把它烤了。

Answer: cause


Question: 公共发言人开了个玩笑。
观众笑了起来。

Answer:
effect