Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Happy #internationaldayofpeace everyone hoping that the world becomes a better place less division more happiness keep smiling. 😄😄❤️
This tweet contains emotions: 
joy, love, optimism