Determine the emotional tone of the following tweet: "So @Ryanair site crashes everytime I try to book - how do they help? Tell me there's nothing wrong &amp; hang up #furious #helpless @SimonCalder". 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".