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: When you have just about enough @marmite in your jar at work for 1/4 of a slice of toast 😩😩 #unhappy
This tweet contains emotions: 
pessimism, sadness