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: @TenPercent @emmajtracey @MetroUK not at all surprised unf, getting partially sighted Mum &amp; pushchair on trains a nightmare #ignorantpublic
Emotion: fear
Intensity class: 
0: no fear can be inferred