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: onus is on Pakistan' : @MEAIndia after #Uri #terror attack
This tweet contains emotions: 
anger, disgust, fear, sadness