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: @TenPercent @emmajtracey @MetroUK not at all surprised unf, getting partially sighted Mum &amp; pushchair on trains a nightmare #ignorantpublic
This tweet contains emotions: 
anger, disgust, fear, sadness