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.

Example Input: 电梯门开了。
(1)电梯到达指定的楼层。(2)电梯卡在楼层间。
Example Output: 1

Example Input: 这对夫妇订婚了。
(1)他们计划了一场婚礼。(2)他们分开了一段时间。
Example Output: 1

Example Input: 那人和我争吵了。
(1)我的朋友把我介绍给那个人。(2)我的朋友支持我。
Example Output:
2