In which of the following circumstances may an officer be held liable for deaths; injury; or property damage that occurs while in an emergency vehicle?

a. failure to drive with due regards for the safety of others
b. the officer is in pursuit of an operator but works for an agency that has not adopted a written policy on police pursuits
c. negligent or wrongful act or omission by an employee of the entity
d. the officer is involved in a collision when not in immediate pursuit of actual or suspected violator or responding to a bonafide emergency
e. all of the above