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: Going off reports on Sky, Stoke played ok tonight. Think i'll stay off the messageboard tonight though -it will be grim on there :/
This tweet contains emotions: 
pessimism, sadness