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]: 我拧开了汽水瓶的盖子。
(1)汽水冒泡了。(2)汽水漏出来了。
[EX A]: 1

[EX Q]: 我把手放在胸前。
(1)我感觉到我的心跳。(2)我的心率加快了。
[EX A]: 1

[EX Q]: 一辆陌生的车停在我家外面。
(1)我开始起疑了。(2)我给警察打了电话。
[EX A]:
1