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: How hard is it to get in touch with @bt_uk! One simple question I can't find answer to on website and 1 hour waiting for online chat #rage
This tweet contains emotions: 
anger, disgust