Determine the emotional tone of the following tweet: "Professor: introduce yourselves and say one interesting fact\n\nHi I'm Ethan and the Sun will engulf our planet in a fiery explosion one day". 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".
anticipation, fear, joy