Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: The greatest happiness is seeing someone you like stay happy - Daidouji Tomoyo [Cardcaptor Sakura ]
This tweet contains emotions: 
joy, love