Given the 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.", identify any present emotions from this list: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If none are present, answer "neutral or no emotion".
joy, optimism, sadness