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: Mary astounded there at the concept of having leftover milk at the end of your cereal #GBBO
This tweet contains emotions: 
sadness, surprise