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.

书从书架上掉了下来。
(1)架子上满是灰尘。(2)一场地震震动了书架。
2

那人在阳光下吃了冰淇淋。
(1)冰淇淋失去了味道。(2)冰淇淋从蛋卷上滴下来。
2

游客们乘坐渡轮去度假村。
(1)度假村已被预订好。(2)度假村在一个岛上。

2