Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: During the day @JeffProbst is jovial. At #TribalCouncil he's a different,  darker fellow.  Still simply but smiles are few. #Survivor
This tweet contains emotions: 
joy, optimism