Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given 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
This tweet contains emotions: 
fear, joy, optimism