Teacher: 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.
Teacher: Now, understand the problem? If you are still confused, see the following example:
该物品用气泡包装纸包着。
(1)它很易碎。(2)它很小。
Solution: 1
Reason: The first alternative makes more sense because you put object is bubble wrap if they are delicate.

Now, solve this instance: 这个女孩想感谢她的数学老师。
(1)那个女孩放学后被留堂了。(2)这个女孩给老师带来了一个苹果。
Student:
2