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:
那人的声音听起来嘶哑了。
(1)他感冒了。(2)他戒烟了。

Ex Output:
1


Ex Input:
那人失去了在凳子上的平衡。
(1)凳子在他下面摇晃。(2)他把油漆洒在凳子上。

Ex Output:
1


Ex Input:
交战国家要求和平。
(1)他们研发了核武器。(2)他们商定了一项条约。

Ex Output:

2