Generate a more complex version of this sentence The Walnut Valley Unified School District dumunung ing Greater Los Angeles Area saka negara AS California.
Mesthi, versi sing luwih rumit saka ukara kasebut yaiku "Distrik Sekolah Bersatu Walnut Valley dumunung ing Greater Los Angeles Area sing nglayani bagean saka Kutha Walnut lan bagean saka kutha Diamond Bar. "