Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Nothing lovelier than your great mate sending the most joyful and sweet pic - Thankyou #amy @artburstltd XXXX
This tweet contains emotions: 
joy, love, optimism