Task: Classify the tweet's emotional intensity into one of four ordinal levels of emotion E, providing insights into the mental state of the user. 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: Rockin to  Bob Dylan singin'  Bob Dylan's 115th Dream on LPCO Klassic Rock #classicrock #klassicrock #rocknroll #blues #onlineradio
Emotion: sadness
Intensity class: 
0: no sadness can be inferred