Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: Got paid to vacuum up rat poop. (-: never a dull day in the biology department ...
This tweet contains emotions: 
disgust, sadness