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: 交战国家要求和平。
他们商定了一项条约。

Answer: effect


Question: 法官重击了木槌。
法庭上发生了轩然大波。

Answer: cause


Question: 我错过了我女朋友的电话。
我给她回了电话。

Answer:
effect