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: Tomorrow is going to be a challenge, I have to talk at a freshers fair to STRANGERS 😁and pick up my new flat keys #anxiety
This tweet contains emotions: 
fear