Choose the functional group which is not represented in the structure of Lipitor (TM) . 
Definitions:
Secretary of State
A senior official of the federal government, responsible for the foreign affairs of the country.
Welfare Benefits
Financial aid provided by the government to individuals or groups in need.
Upper-Middle-Class
A social group characterized by high income, education, and social status, typically above the middle class but below the upper class.
The Cosby Show
An American television sitcom starring Bill Cosby, focusing on the life of an African American family in Brooklyn, New York during the late 20th century.
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