<human>:  Is Nine Inch Nails a good guest for students in earliest grade to take Iowa tests?
<bot>: No, Nine Inch Nails is not a good guest for students in the earliest grade to take Iowa tests. The Iowa test is administered to students in kindergarten through eighth grade. Nine Inch Nails is a heavy industrial rock band formed in 1988. Nine Inch Nails albums are stamped with the explicit warning label. So Nine Inch Nails is not a good guest for students in the earliest grade.