educational services, namely, offering courses of instruction at the university level and through community extension services, arranging and conducting educational conferences, and lecture series, workshops and seminars in the fields of business, engineering, agriculture, forestry, architectural design and construction, human sciences, education, veterinary medicine and pharmacy; entertainment services, namely, sports exhibitions, theatrical productions, art exhibitions, musical concerts, dance and ballet performances, motion picture exhibitions and public lectures in the fields of business, engineering, agriculture, forestry, architectural design and construction, human sciences, education, veterinary medicine and pharmacy