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: 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