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: Well I won't be doing a unboxing of the iPhone 7 plus on my channel until November sadly. Thank you @TMobile @Apple Staten Island NY smh
This tweet contains emotions: 
pessimism, sadness