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: so fucking sad when the person you love doesn't try fighting for your happiness, when you'd do anything for them.
This tweet contains emotions: 
anger, disgust, sadness