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: So now... yeah. I'm home again.\nStill feeling mixed up inside &amp; kinda gloomy. But a little more optimistic that I'll figure this out.
This tweet contains emotions: 
joy, optimism, sadness