Task: Categorize the tweet based on the intensity of the specified emotion E, capturing the tweeter's mental state. 0: no E can be inferred. 1: low amount of E can be inferred. 2: moderate amount of E can be inferred. 3: high amount of E can be inferred.
Tweet: @SouthernRailUK delays from Streatham Cmn to Clap Junc &amp; now train took 20 mins for 9 mins journey. Missed 2 trains to Reading
Emotion: anger
Intensity class: 