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: Probably the best OT period I've ever seen. Absolutely exhilarating. #WCH2016 #TeamNA
This tweet contains emotions: 
joy, optimism