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: Very depressing seeing my whole fam packing to go on holiday tomorrow and I'm just staying here 🙃
This tweet contains emotions: 
sadness