Using the 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", determine how much fear is shown. The categories are: 0: no fear can be inferred, 1: low amount of fear can be inferred, 2: moderate amount of fear can be inferred, 3: high amount of fear can be inferred.