Analyze the tweet "Being alone is better than being lonely. Know what is worse than being lonely? Being empty; that's right!\n#Loneliness #aloneinthecity #fear" and indicate which emotions from the list (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) are expressed. If no emotions are found, answer with "neutral or no emotion".
fear, sadness