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: Hey @PapaJohnsUK I've been charged £40.24 on my credit card 4 an order which never arrived last Friday, any chance of a refund!! #nightmare
Emotion: fear
Intensity class: 