Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
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
This tweet contains emotions: 
joy, optimism