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]: 我想节约能源。
(1)我在空着的房间里扫了地板。(2)我把空房间里的灯关了。
[EX A]: 2

[EX Q]: 冲浪者回到海滩。
(1)他们浑身湿透了。(2)他们看到了一条鲨鱼。
[EX A]: 2

[EX Q]: 那人发脾气了。
(1)他关掉了电脑。(2)他把一把椅子扔过房间。
[EX A]:
2