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: tesco. why OH why cant my Visa electron be accepted on line , I am 55 , NOT 15 ??
This tweet contains emotions: 
anger, disgust, pessimism, sadness