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.

Ex Input:
班上的每个人都瞪着这个学生。
(1)这个学生的电话响了。(2)这个学生记了笔记。

Ex Output:
1


Ex Input:
那女人抓住她的喉咙。
(1)她吞下了她的食物。(2)她被食物呛住了。

Ex Output:
2


Ex Input:
这个女孩精疲力竭。
(1)她玩了跳棋。(2)她跳了绳。

Ex Output:

2