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: 我重新加了水瓶。
我喝了它里所有的水。

Answer: cause


Question: 人质服从了绑架者。
绑架者威胁要伤害人质。

Answer: cause


Question: 收银员拒绝给那女人退款。
她丢了收据。

Answer:
cause