Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: My leg feels like it's gonna burst, yet I'm still expected to go into work:):)
This tweet contains emotions: 
fear, joy, sadness