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: My heartbeat is forever stumbling on memories of things past. #longing #loss #shape #form #sadness
This tweet contains emotions: 
disgust, sadness