Introduction: I am writing an article about [topic]. In my article I share [key point]. Write an introduction for this article. The maximum word count must be X words.
The specific section of a post: I am writing an article about [topic]. In my article I share [key point]. In the article, I have the section titled [section title]. I don't know how to start this section. Can you help me write X opening sentences?
Conclusion: I am writing an article about [topic]. In my article I share [key point]. Write a conclusion for this article. The maximum word count must be X words.