Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: I walked 3.4 miles today, the most I've walked since I got #rhabdo. Going back to work tomorrow.. here's to hoping it goes okay #nervous
This tweet contains emotions: 
anticipation, fear, optimism