Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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