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:
汽车汽油用完了。
(1)司机被困在路上。(2)司机接了一个搭便车的人。

Ex Output:
1


Ex Input:
爆米花的袋子开始发出爆裂声。
(1)我把黄油倒进了袋子里。(2)我用微波炉给它加了热。

Ex Output:
2


Ex Input:
他的朋友结束讲话的时候，那个人保持着沉默。
(1)他想支持他的朋友。(2)他在思考他朋友的话。

Ex Output:

2