41 Educational services, namely, providing courses of instruction at the college and graduate levels and distribution of course material in connection therewith; entertainment services, namely, arranging and conducting athletic competitions, college athletic events, athletic exhibitions, theatrical productions, art exhibitions, live musical concerts, motion picture exhibitions in the nature of displaying a series of films; entertainment services, namely, the presentation of public lectures in the fields of science, humanities, business, and current events; all the foregoing relating to the Rochester Institute of Technology