Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray 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
This tweet contains emotions: 
fear, joy, optimism