Task: Identify the emotional nuances in the tweet, classifying it as either 'neutral or no emotion' or as one or more of the designated emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that accurately reflect the expressed sentiment.
Tweet: '...built in #order to #start #afresh. Such #thoughts caused #energy to #flag, and #people concerned...' (The #City CoA)
This tweet contains emotions: 