Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @AlamRahman today which can impact the signal, I'm afraid :-( Our engineers are working to have this resolved by this evening and you'll
This tweet contains emotions: 
fear, optimism, pessimism