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.

医生给了病人一个假肢。
(1)他们截肢了她的腿。(2)他们监控着她的生命体征。
1

那人发脾气了。
(1)他关掉了电脑。(2)他把一把椅子扔过房间。
2

蒸汽从锅上升出。
(1)水煮沸了。(2)我盖上了锅盖。

1