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 can't even tell u a lie I felt like u were special, till I realized wassup and left, got u feeling dreadful '
This tweet contains emotions: 
sadness