Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: #survivor is back! #SurvivorMillennialsVsGenX so happy to see you @JeffProbst
This tweet contains emotions: 
joy, optimism