Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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
This tweet contains emotions: 
optimism