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.

Category: HOMOPHONES 
Clue: A caustic substance in soap, or an untruth
lye/lie

Category: PLAYWRIGHTS 
Clue: In 1979 this author of "Streamers" married Jill Clayburgh
david rabe

Category: EUROPEAN CAPITALS 
Clue: It's home to the Swiss Parliament

bern