Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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