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: 这对夫妇订婚了。
(1)他们计划了一场婚礼。(2)他们分开了一段时间。

SOLUTION: 1

PROBLEM: 两个孩子同时伸手去取回球。
(1)球滚开了。(2)他们的头相撞了。

SOLUTION: 2

PROBLEM: 这位领导人在对抗了他国家里的极端分子。
(1)极端分子影响了他。(2)极端分子暗杀了他。

SOLUTION:
2