Task: Evaluate the tweet for emotional cues and classify 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 indicate the tweeter's state of mind.
Tweet: After becoming boiling hot, after slowly melting, my heart is frozen.
This tweet contains emotions: 
anger, joy, optimism, sadness