In this task you are given a premise and two alternatives in Chinese. You must choose the alternative that is more plausibly the cause or effect of the situation described by the premise. The input format is "premise
(1)alternative_1(2)alternative_2", the output should either be "1" or "2" based on your judgment.

浴室的水槽堵塞了。
(1)我打开水龙头。(2)我向水槽倒入了下水道清洁剂。
2

那个女孩咬了指甲。
(1)她很担心。(2)她很惊讶。
1

该男子的电子邮件收件箱中充斥着垃圾邮件。
(1)他删除了垃圾邮件。(2)他群发了电子邮件。

1