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: 旅客入住了他们的旅馆房间。
他们打开了行李箱。

Answer: effect


Question: 那人在聚会上喝得很厉害。
第二天他头疼了。

Answer: effect


Question: 我昨天在健身房锻炼。
我今天醒来时肌肉酸痛。

Answer:
effect