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:
塑料容器融化了。
(1)我把容器浸泡在温水中。(2)我把容器放在热炉子上。

Ex Output:
2


Ex Input:
儿子离开了家。
(1)他被退伍。(2)他要去上大学。

Ex Output:
2


Ex Input:
老师表扬了学生。
(1)学生正确回答了问题。(2)学生犹豫着回答问题。

Ex Output:

1