Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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