Determine the emotional tone of the following tweet: "So blend the waters lie\nThere shrines and free-  The melancholy waters lie\nNo rays from out the dull tide-  As if the vine". 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".
optimism