What's this?
listen
hello or goodbye
hello
What's this?
listen
What's this?
goodbye
hello or goodbye
goodbye
What's this?
goodbye
What's this?
sit down
hello or goodbye
goodbye
What's this?
listen
What's this?
stand up
What's this?
stand up
What's this?
sit down
What's this?
stand up
hello or goodbye
hello
What's this?
goodbye
What's this?
hello
What's this?
hello
What's this?
sit down