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: One more step in long work #visa process is over. Relief. Onto next step. #expat #restless
This tweet contains emotions: 
anticipation, fear, joy, optimism