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 Q]: 电梯门开了。
(1)电梯到达指定的楼层。(2)电梯卡在楼层间。
[EX A]: 1

[EX Q]: 海报上的墨水抹开了。
(1)我等着墨水变干。(2)我在海报上洒了水。
[EX A]: 2

[EX Q]: 我半夜醒来，感觉很冷。
(1)我穿上运动裤。(2)我喝了一杯水。
[EX A]:
1