Task: Analyze the tweet's emotional expression, classifying it as 'neutral or no emotion' or as one or more of the identified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's emotional state.
Tweet: on July 13th,1989 in #Vienna , #Ghassemlou &amp; his fellows was #terror by the agents of the #Iranian regime\n#Iran #Terrorism \n#twitterkurds
This tweet contains emotions: 