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: Sometimes The Worst Place You Can Be Is In Your Own Head.'\n\n#quotes #worstenemy #depression #thinktoomuch
This tweet contains emotions: 
anger, disgust, fear, pessimism, sadness