Please analyze the tweet "@Cigna bows out for the moment. Rather than sulk, I'm going to @UCSF for an opinion from the guys studying #Oligodendroglioma. ✌️&amp; ❤️ &amp; 🍩's" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
joy