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: Fosu Mensah is having a complete nightmare! It's the reason all Northamptons attacks come from the left.
This tweet contains emotions: 
fear, pessimism