Classify the emotions found in the tweet "At a groovy restaurant. Got a cheeseburger and fries. I don't discriminate. Rating; 5/7 #yummy #delicious #politicallycorrect". Select from the following: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If the tweet is emotionless, reply "neutral or no emotion".