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: @SkyUK not impressed by your customer support. Forcing customers to use fb chat or sms! Very slow. issue is not getting sorted
This tweet contains emotions: 
anger, disgust