Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: @NHLstoreNYC @TeamNA_WCH #NHLNYCSWEEPSTAKES having fun watching team North America and cheering team Canada!
This tweet contains emotions: 
joy