Teacher: 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.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Các mặt hàng đã được đóng gói trong bọc bong bóng.
(1)Nó dễ vỡ.(2)Nó nhỏ.
Solution: 1
Reason: The first alternative makes more sense because you put object is bubble wrap if they are delicate.

Now, solve this instance: Người đàn ông ngất đi.
(1)Anh ta chợp mắt.(2)Anh ta chạy marathon.
Student:
2