Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: I think learning classical or ancient Japanese might help me get myself permanently out of depression. I sometimes suffer from sudden
This tweet contains emotions: 
optimism, sadness, surprise