Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
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