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: @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
This tweet contains emotions: 
joy