A five year old tries to tell a three year old a knock knock joke…

hazel: “walter, knock knock…” walter: “what?” hazel: “say, who’s there.” walter: “umm… chicken.” hazel: “no, walter, say who’s there?” walter: “ummmm. … . . chicken!” hazel: “no walter, i’m telling the joke, you say, who’s there? walter: “knock knock” hazel: “who’s there? wait! no, you say who’s there. knock knoc…”

can you guess who’s five and who’s three?