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.

[Q]: 侦探发现此案异常。
(1)他完成了他的推論。(2)他推翻了他的推论。
[A]: 2


[Q]: 我对我的朋友的陈述点头。
(1)我很困惑。(2)我同意他。
[A]: 2


[Q]: 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。
[A]:
1