Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Having a baby born too soon is #lifechanging 6 years on and it feels like only yesterday #sad #happy  #emotionalrollercoaster
This tweet contains emotions: 
joy, love, sadness