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: This prison is awfully gloomy. Would you mind if I put some ribbons on the bars?
This tweet contains emotions: 
disgust, joy, optimism