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: The Apocalypse has hit our gym and it's  nothing what I thought it would be...\n\nEveryone is wearing vests! What if it's contagious? #afraid
This tweet contains emotions: 
fear