Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: @VodafoneUKhelp @VodafoneUK wow!! My bill is £44.77 and hav a text from u to prove that and you have taken £148!!!!! #swines  #con!
This tweet contains emotions: 
anger