Based on the tweet "@ArrivaTW Hats off your excellent Tetris like ability to pack 5000 passengers into a 2  carriage train on rush hour. #awkwardorgy #bitter", categorize the level of anger felt by the author. Select from the following: 0: no anger can be inferred, 1: low amount of anger can be inferred, 2: moderate amount of anger can be inferred, 3: high amount of anger can be inferred.