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]: 这个国家向邻国宣战。
(1)士兵被派去战斗。(2)士兵们与家人团聚。
[EX A]: 1

[EX Q]: 旅客到达边境。
(1)巡逻员检查了他们的护照。(2)巡逻人员指控他们走私。
[EX A]: 1

[EX Q]: 那人的声音听起来嘶哑了。
(1)他感冒了。(2)他戒烟了。
[EX A]:
1