Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @UNHumanRights @UNDP_Pakistan wat an irony? #Pakistan lecturing the world on curbing #terrorism
This tweet contains emotions: 
disgust, pessimism