The conversational maxim that the professor violates is the relation. It is because professor discusses topics that are not related to the topic that she is going to discuss, which is why she is violating the relation. She focus her attention of discussing events that is happening on her life rather than focusing on teaching the topic that she should be teaching such as the tangents.
<span>The answer is swimming. It
is an activity which is known to a human since prehistoric times. The history
of swimming goes way back centuries ago. One of the museums in Turin, there is
a bas-relief portraying a man doing swimming. Movement of the swimmer was
captured in the ancient Egyptian sculptor’s chisel, as two drops of water
similar to the essentials of modern breaststroke. It is said to be estimated
about 3000 years of age.</span>
It is called an atlas.
Have a nice day :)
The Catholics and Methodists
Hope this helps!