You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Q: Category: NAME THE PLAYWRIGHT 
Clue: "The Sisters Rosensweig"

A: wendy wasserstein
****
Q: Category: __E__E__E 
Clue: A form of address for some royalty, it means calm & unruffled

A: serene
****
Q: Category: CABINET DEPARTMENTS 
Clue: OSHA, the Occupational Safety & Health Administration, is a part of this department

A:
the department of labor
****