Task: Categorize the tweet's emotional expression, classifying 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 reflect the tweeter's state of mind.
Tweet: @RossKemp Omg that is just horrific. Something needs to be done. 😢
This tweet contains emotions: 
disgust, fear, pessimism, sadness