Definition: 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.
Input: 该名男子按下信封的湿口。
(1)他在信封上盖了邮票。(2)他把信封密封好了。
Output:
2