Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: So when I try I fail... and when I don't try... I still fail... #confused and #lost
This tweet contains emotions: 
anger, disgust, pessimism, sadness