Sec. 4. A governmental entity and the employees and agents of a governmental entity are not liable for civil damages that are proximately caused by:
(1) the negligent selection, training, or supervision of a volunteer providing personal services in the course of a sports or leisure activity; or
(2) a negligent act or omission in the personal services provided by:
(A) the volunteer; or
(B) another person selected, trained, supervised, or otherwise under the control of the volunteer;
in the course of a sports or leisure activity.