Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
What play, which focuses on a troubled married couple who, through the intervention of a mysterious stranger, settle their problems and move on with their lives, partly based on 'Alcestis', by Euripides, won the Tony Award for Best Play in 1950?
"The Cocktail Party"
"The Life and Adventures of Nicholas Nickleby"
"Master Class"
"August: Osage County"