Can you please add more detail to the question ?
Answer:
Explanation:A central idea is developed by supporting details (specific statements that explain and “prove” the central idea). There are multiple supporting details for one central idea. Ask yourself, “What does this detail show?” THINK: Which answer choice expresses specific statements that PROVE the central idea listed?
The correct answer for this question is this one: "B. Mrs. Linde is relieved to sit down and relax with her friend." The theme that is developed through the dialogue is that <em>Mrs. Linde is relieved to sit down and relax with her friend.</em>Hope this helps answer your question and have a nice day ahead.
It would most likely be an informational/explanatory essay because she is seeking to inform the readers about the school event.