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: Yes Mourinho, you really should stop speaking about refs! And try cheering up a bit.
This tweet contains emotions: 
anticipation, disgust, joy, optimism