Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: wonder if at any point #BobMarley ever actually became #afraid of just how #high he'd gotten. :o #420
This tweet contains emotions: 
fear