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: The ecosystem is meant to break thru the wall of #apprehension. It's easy to follow a fave music star &amp; watch their goings on–but #dentists?
This tweet contains emotions: 
anticipation, fear, optimism, surprise