Instructions: In this task you are given a premise and two alternatives in Vietnamese. 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.
Input: Một chiếc ô tô lạ đỗ bên ngoài nhà tôi.
(1)Tôi trở nên nghi ngờ.(2)Tôi gọi cho cảnh sát.
Output:
1