To the barber

Shawnsterz phone rang.
Shawnsterz:”Hello”
Xavier:”Daddy. I am at the barber. Ah ma ask me to ask you what hairstye to cut. Style A, Style B, Style C”
Shawnsterz feeling puzzled, and not knowing what style A, style B or Style C is, said,”Ask them to cut slope lah.”
Xavier:”Daddy, UP SLOPE OR DOWN SLOPE?”
Shawnsterz:”HAHAHAHAHAHAHAHAHAHAHAHAHAHA”