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.

Input: Consider Input: 电影票卖完了。
这是电影的首映日。

Output: cause


Input: Consider Input: 医生给了病人一个假肢。
他们截肢了她的腿。

Output: cause


Input: Consider Input: 那人的声音在礼堂里清晰可见。
他讲了话筒。


Output: cause