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: went to Pet Supplies Plus tonight but @neitzkeamara was not working I feel #lost and #confused
This tweet contains emotions: 
anger, fear, pessimism, sadness