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: 7-LETTER WORDS 
Clue: It's from the Greek for "a place for watching"
theater

Category: MUSICAL THEATRE 
Clue: Currently, this show is performed by 3 troupes; the Liffey & Lagan Companies on tour & the Shannon Company on B'way
\"riverdance\"

Category: EARLY 20th CENTURY PLAYS 
Clue: Its preface says, "The English have no respect for their language, & will not teach their children to speak it"

pygmalion

