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