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: @economictimes World knows #Pakistan is an epicentre of #terror. The #pakistan speech in UN has define their agenda
This tweet contains emotions: 
anger, disgust, fear, sadness