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: I love Mary's undying optimism. You could present her with dog shite and she'd find something good to say. #GBBO
This tweet contains emotions: 
love, optimism, trust