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: 交通灯变黄了。
(1)司机踩了刹车。(2)司机按响了喇叭。

Output: 1


Input: Consider Input: 商店收银员叫保安。
(1)顾客使用假币。(2)客户没关前灯。

Output: 1


Input: Consider Input: 男人和女人坠入爱河。
(1)他们上了大学。(2)他们结婚了。


Output: 2