Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent 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