Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Making that yearly transition from excited and hopeful college returner to sick and exhausted pessimist. #college
This tweet contains emotions: 
disgust, pessimism, sadness