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: @CesarSampao @thisisbolton don't get me started on town centre. Used to go every week.... not been for 18 months
This tweet contains emotions: 
sadness