Analyze the 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" and indicate which emotions from the list (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) are expressed. If no emotions are found, answer with "neutral or no emotion".
optimism