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: Part of debunking #panic is the idea that either a physical symptom, negative thought, or a behavior begins the vicious cycle. #CBTWORKS
This tweet contains emotions: 
fear