Examine the tweet "At a groovy restaurant. Got a cheeseburger and fries. I don't discriminate. Rating; 5/7 #yummy #delicious #politicallycorrect" 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".