Classify the emotions found in the tweet "@david_garrett Quite saddened.....no US dates, no joyous anticipation of attending a DG concert (since 2014). Happy you are keeping busy.". Select from the following: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If the tweet is emotionless, reply "neutral or no emotion".
optimism, sadness