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: 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