TASK DEFINITION: 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.
PROBLEM: 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。

SOLUTION: 1

PROBLEM: 雪挡住了车道。
(1)我把雪聚成一个雪球。(2)我把雪铲开了。

SOLUTION: 2

PROBLEM: 商人的信用卡被拒绝了。
(1)他写了一张借据。(2)他用现金付了钱。

SOLUTION:
2