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: I have been seeing terrible terrible prescriptions this week. What's going on?
This tweet contains emotions: 
anger, disgust, fear, pessimism, sadness