Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
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