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: Got paid to vacuum up rat poop. (-: never a dull day in the biology department ...
This tweet contains emotions: 
disgust, sadness