Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @BillMoyersHQ Elderly belong w/family; our social system is broken.  This egregious 'Meancare' will shake it up, alas.
This tweet contains emotions: 
anger, disgust, pessimism, sadness