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