Task: Categorize the tweet into an intensity level of the specified emotion E, representing the mental state of the tweeter. 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: Can't believe @virginmedia are putting their prices up!! They already know I'm struggling to pay my bill &amp; won't change my package!!
Emotion: anger
Intensity class: 
3: high amount of anger can be inferred