Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
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