Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: @LoyalLadyMalfoy &lt;• change them himself. He follows behind with a scowl pinching his lips and takes the sheets to his room. 'So who is •&gt;
This tweet contains emotions: 
optimism