Given the task definition and input, reply with output. 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.

游说者说服立法机关支持该法案。
(1)总统否决了该法案。(2)立法机关通过了该法案。

2