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: Novak is seeing those balls as melons, perfect conditions for him 😊 #Wimbledon
This tweet contains emotions: 
joy, love, optimism