Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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!!
This tweet contains emotions: 
anger, disgust, sadness