Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: will i ever get the nerve to quit the restaurant ??? find out tonite on glee!
This tweet contains emotions: 
anticipation, fear, joy, sadness