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: i was so embarrassed when she saw us i was like knvfkkjg she thinks we're stalkers n then she starts waving all cheerfully inviting us in 😩
This tweet contains emotions: 
pessimism, sadness