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: It's become a verb. 'I'm gonna Villaseñor all those old contacts I don't need anymore.' #sadness @melissavcomedy #waitingforexplanation
This tweet contains emotions: 
pessimism, sadness