Determine the emotional tone of the following 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". Use the provided emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. Respond with the emotions you identify or "neutral or no emotion".
fear, optimism, pessimism