Instructions: 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.
Input: 收银员打开了收银机。
(1)顾客翻找着他的钱包。(2)顾客把钱递过来了。
Output:
2