Determine the emotional tone of the following tweet: "@British_Airways In your Concorde Lounge in Terminal 7 JFK. So saddened to have to say, service so far is dismal. Don't expect a reply.". 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".
anger, disgust, pessimism, sadness