41 Education services, namely, providing courses of instruction at the undergraduate level and providing lifelong learning opportunities through camps, conferences, retreats, courses, clinics, domestic and international study travel programs; entertainment in the nature of alpine skiing, baseball, basketball, cross country skiing, football, golf, hockey, Nordic skiing, soccer, softball, swimming, diving, tennis, track and field, volleyball, wrestling, and intramural sport games; and entertainment in the nature of live choral and instrumental concerts