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: It's been a week of awful connectivity with @TMobile no service or only 4G is not what Im paying for. #unhappy #poorservice
This tweet contains emotions: 
anger, disgust, sadness