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: I can't have a dog in my flat! Literally no reason either! Sorry potential doggie! #landlords #doglover #sad #angry #rescuedog #dog ;_;
This tweet contains emotions: 
anger, disgust, sadness