Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @NHLstoreNYC @TeamNA_WCH #NHLNYCSWEEPSTAKES having fun watching team North America and cheering team Canada!
This tweet contains emotions: 
joy