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: @len_snart gives a frustrated growl, before stepping closer and putting his gun through the barrier. No alarms and nothing happened. He-
This tweet contains emotions: 
anger, disgust