Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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