Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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