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: @X_KIMTAEHYUNG_X \n— momentarily before it disappeared, only solemnity and anxiety lacing his features. \n\n'I ran out to get you before —
This tweet contains emotions: 
fear