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: His interlocutor burst out laughing several times at his answers; and more than ever, when to the question, ‘ whether he had been cured?�
This tweet contains emotions: 
joy, optimism