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:
这个男孩没有通过历史考试。
(1)他在课堂上认真听讲了。(2)他忘了学习。

Ex Output:
2


Ex Input:
这个学生试图心算。
(1)他拿出了一个计算器。(2)他弄糊涂了。

Ex Output:
2


Ex Input:
我的脚踝肿了。
(1)我冰上放了冰。(2)我擦了洗液。

Ex Output:

1