Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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