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: Extremely bitter about the fact that the Subway in Robart's has been replaced with a low-rent version of Chipotle
This tweet contains emotions: 
anger, disgust, sadness