Educational services, namely, providing courses of instruction at the college or university level; educating at university or colleges; research in the field of education; educational services at the university or college level in the nature of correspondence schools; educational services at the university or college level, namely, conducting distance learning instruction; educational services, namely, providing on-line courses of instruction at the college or university level, and learning services, namely, providing courses of instruction at the college or university level; educational services, namely, conducting seminars, conferences, and workshops in the field of education, business, liberal arts, science and mathematics, and distribution of educational materials in connection therewith; entertainment services, namely, arranging and conducting intercollegiate athletic events