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: People were always afraid that stodgy squares would kill rock and roll, but the only legitimate threat was ever child choruses.
Emotion: sadness
Intensity class: 