Classify the emotions found in the tweet "Pakis are applauding Sharif's speech,i wonder how many really understood what he said!!!!\nThey are very much excited and happy". 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".
anger, disgust, joy, optimism