Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: Probably the best OT period I've ever seen. Absolutely exhilarating. #WCH2016 #TeamNA
This tweet contains emotions: 
joy, optimism