Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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