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.

旅客入住了他们的旅馆房间。
(1)他们打开了行李箱。(2)他们去了机场。
1

人质服从了绑架者。
(1)绑架者威胁要伤害人质。(2)绑架者自己离开了人质。
1

比赛中的球迷嘘声高涨。
(1)游戏进入加时赛。(2)裁判做出了错误的判断。

2