Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
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