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: @DefiantSagacity — Hermione in a sort of thank you before sliding his own plate away from him before frowning at Ron as he continued to —
This tweet contains emotions: 
joy