Task: Categorize the tweet into an intensity level of the specified emotion E, representing the mental state of the tweeter. 0: no E can be inferred. 1: low amount of E can be inferred. 2: moderate amount of E can be inferred. 3: high amount of E can be inferred.
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 😩
Emotion: joy
Intensity class: 
0: no joy can be inferred