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: @indiamarshall_ that's great! It's not easy!\n&amp; it's amazing when nervousness turns into adrenaline 😂\nHad you had concerts as soloist before?
Emotion: fear
Intensity class: 
0: no fear can be inferred