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