Classify the emotions found in the tweet "Yesterday , on 21 Sept. 2016 , i installed a new stratagem including audacity by rejoicing at Harbour tower,i will tenaciously follow up up.". 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".
joy, optimism