From 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", identify which emotions are conveyed. Choose from anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, and trust. If no emotions are evident, respond with "neutral or no emotion".
joy, optimism