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:
驾驶员打开了汽车的大灯。
(1)他听到雷声。(2)太阳下​​山了。

Ex Output:
2


Ex Input:
我服用了抗生素。
(1)我的感染已经清除了。(2)我的感染蔓延了。

Ex Output:
1


Ex Input:
这对夫妇早早地离开去看演出。
(1)他们预计剧院周围会有堵车。(2)他们知道去剧院的路。

Ex Output:

1