Compare the role of the individual patient insurance companies in the state of federal government and paying for mental health services.

a) Individual patient insurance companies have a greater role than the state or federal government.
b) The state government has a greater role than individual patient insurance companies or the federal government.
c) The federal government has a greater role than individual patient insurance companies or the state government.
d) The role of individual patient insurance companies, the state, and the federal government are equal.