Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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