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: Being alone is better than being lonely. Know what is worse than being lonely? Being empty; that's right!\n #Loneliness #aloneinthecity
This tweet contains emotions: 
disgust, pessimism, sadness