Examine the tweet "@LostGermain ' Want to have a spar?' The prince smiles and reaches for his hilt and his icy eyes keep on Aaron, a playful look in his eyes." and determine which of these emotions are present: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If there are no identifiable emotions, reply with "neutral or no emotion".
joy