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: 熔岩从火山中流出。
(1)火山爆发了。(2)火山处于休眠状态。

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: 木地板被划伤。
(1)男孩把垫子从沙发上扔了出去。(2)男孩把椅子拖过地板。

SOLUTION:
2