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: @LizYank This comparison makes me so happy. #flattered #engl678mu
This tweet contains emotions: 
joy, love, optimism