Task: Evaluate the tweet for emotional cues 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 indicate the tweeter's state of mind.
Tweet: Novak is seeing those balls as melons, perfect conditions for him 😊 #Wimbledon
This tweet contains emotions: 
joy, love, optimism