Task: Assess the emotional content of the tweet and classify 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 best 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