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