Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Novak is seeing those balls as melons, perfect conditions for him 😊 #Wimbledon
This tweet contains emotions: 
joy, love, optimism