<span>Odd characters are introduced.
Clearly, the author does not trust the doorman, who seems like a shady character</span>
The answer would be number 4. Hope that helped!
To provide the details and arguments that support the main idea
Would be the body
To restate the main idea by summarizing the supporting details
Would be somthing like a conclusion
To grab the attention of listeners and introduce them to the main idea
Is an obvious introduction to the main part