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: Today I answered a call from a college rep who didn't realize I did, and I got to hear part of his lively debate about if evolution is real.
Emotion: joy
Intensity class: 