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: 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