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: Making that yearly transition from excited and hopeful college returner to sick and exhausted pessimist. #college
This tweet contains emotions: 
disgust, pessimism, sadness