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: Who knew softballs could sting so bad? Jimmy Fallon has been under a lot of heat for his &amp;ldquo;softball&amp;rdquo; Donald Trump interview
Emotion: anger
Intensity class: 
1: low amount of anger can be inferred