How+does+the+students'+conversation+add+to+the+information+in+the+message+about+a+certain+university+professor?

Topic of passage : Taking classes from professor Main points : Two students are unhappy that the professor is leaving. They'd like to take one of her classes. A student's father enjoyed in her classes and graduated from this university. They are sure that will take classes for the spring semester.  Topic of the reading passage A message from the university president about the retirement of Dr.Margaret Connor. Main points about the topic 1.The university president announces the retirement of Dr. Margaret Connor at the end of the spring semester next year. 2.She has been teaching for fifty years and has published many articles and book.