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: Has anyone else had a bad experience with Poundstretcher? #nightmare firm
This tweet contains emotions: 
anger, fear, sadness