Possible Clues:

• Like Odets' ''Waiting for Lefty''
• Like the shortest plays
• Short on stage
• Like O'Neill's 'Bound East for Cardiff'
• Like Albee's 'The Zoo Story'
• Like O’Neill’s “The Moon of the Caribbees”
• Like Chekhov's "A Marriage Proposal"
• Like a short play, usually
• Like Harold Pinter's 'A Kind of Alaska'
• Length of some plays