# 19

南方的蚊子经诵得好\
坦荡的一群吃到饱\
半空中的一朵浮云\
随心的飘\
钟声透过楼群来问早\
不经意的透露了消息少\
远方的人儿\
梨花白，人已老

![](/files/DkBV3vD5cnboAAae2cqh)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://www.oulan.com/2023/04/19.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.