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: Consider Input: 树枝落在河里。
(1)树枝向下游移动。(2)这条河的水流变强了。

Output: 1


Input: Consider Input: 法院维持了这项有争议的裁决。
(1)法庭前爆发了一场骚乱。(2)一对夫妇在法院门前交换了誓言。

Output: 1


Input: Consider Input: 我在锁上输入了我的组合密码。
(1)我给它上锁了。(2)锁开了。


Output: 2