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: 那人的头因疼痛而颤动。
(1)他服用了咳嗽糖浆。(2)他服用了阿司匹林。

SOLUTION: 2

PROBLEM: 朋友们失去了联系。
(1)他们享受彼此的陪伴。(2)他们搬去了不同的城市。

SOLUTION: 2

PROBLEM: 学生们离开了教室。
(1)铃响了。(2)老师布置了作业。

SOLUTION:
1