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:
这个少年上学很尴尬。
(1)她有粉刺。(2)她脱下了牙套。

Ex Output:
1


Ex Input:
卡车与汽车相撞。
(1)卡车加速了。(2)汽车被撞坏了。

Ex Output:
2


Ex Input:
我从窗户离开卧室。
(1)房子着火了。(2)房子是空的。

Ex Output:

1