Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: Indignation: [whispers to date during that terrific Lerman/Letts centerpiece scene] That's his overwhelming sense of indignation.
This tweet contains emotions: 
optimism