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: Recently changed to @firstdirect and its the worst service I've ever encountered nearly require DNA to access anything. #awful 😩😩😩
This tweet contains emotions: 
anger, disgust, fear, sadness