Task: Categorize the tweet's emotional expression, classifying 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 reflect the tweeter's state of mind.
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