In TV series The Prisoner what’s the name of the giant balloon?

A. Physicians serve as gatekeepers for the sick role either verifying a patient’s condition as illness or designating the patient as recovered.
B. Patients play an active role in health care by failing to follow a physician’s advice
C. Multinational corporations based in industrialized countries have reaped significant profits dumg unapproved drugs on unsuspecting Third World countries.
D. The designation healthy or ill generally involves social definition by others