Sun: Feed Cao (grass)? My day ()

Cao: Who am I Cao?

Sun: I'm Li.

Cao: Who am I, Cao?

Sun: I am the sun, and I am the grass.

Grass: Who is it? I'm Cao (Cao)

Sun: My day () My day ()

Grass: I am Cao (grass)

Mother Sun answers the phone: My mother ri () is Cao (Cao). Where is Cao (grass)?