Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
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