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: Having a baby born too soon is #lifechanging 6 years on and it feels like only yesterday #sad #happy #angry #emotionalrollercoaster
This tweet contains emotions: 
anger, joy, sadness