Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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