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: 5 person of renown cheerful expectation solutions-pleasure principle back: HsNHZMJSc
This tweet contains emotions: 
joy, optimism