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.

[EX Q]: 全国爆发了政治暴动。
(1)许多公民搬到了国会大厦。(2)许多公民去了其他领地避难。
[EX A]: 2

[EX Q]: 我抓伤了皮肤。
(1)这是汗水。(2)感觉很痒。
[EX A]: 2

[EX Q]: 我用锤子敲钉子。
(1)钉子插进了木头里。(2)钉子生锈了。
[EX A]:
1