Classify the emotions found in the tweet "I would like to congratulate the people of Saudi Arabia a happy and a joyous national day. May you all have a great time! #اليوم_الوطني". 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