13.5 :-) Beverly to Thomas' intro
13.5.2 :-? Jennifer

15.5.8 :-) Anthony

This also poses a problem when a student is unable to grasp the meaning or intent of the written dialogue.

So they give the professor a call ... what are they going to do when the textbook doesn't make sense? Stop and wait for the next class session? What if that's a midterm or some other assignment is due?