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: 房子里的空调坏了。
(1)我拿出了毯子。(2)我打开了窗户。
Example Output: 2

Example Input: 乘客们下了火车。
(1)火车到达了车站。(2)火车鸣笛。
Example Output: 1

Example Input: 这个大学生想在校园里认识其他学生。
(1)他加入了一个兄弟会。(2)他主修工程学。
Example Output:
1