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: #Worry, #doubt, #fear and #despair are the enemies which slowly bring us down to the ground and turn us to dust before we die.
This tweet contains emotions: 
disgust, fear, optimism, sadness