"Yippie! *does a dance!*"))
;; Return greeting
((or "hello" "hello!" "hello." "greetings" "greetings." "greetings!"
"hei" "hei." "hei!" "hi" "hi!")
"Yippie! *does a dance!*"))
;; Return greeting
((or "hello" "hello!" "hello." "greetings" "greetings." "greetings!"
"hei" "hei." "hei!" "hi" "hi!")