Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately represent the tweeter's mental state.
Tweet: @ThomsonCares Sam- yes we have! Not helpful at all! We need this sorting ASAP! You keep promising stuff that doesn't happen!!!!
This tweet contains emotions: 
anger, disgust