the child applies only at the placement stage, that is unique to the placement stage, i think what mr. katzell was saying was that of course the city and state are going to establish rules for establishment of the family at the outset, you know, in the general interests of children. but, specifically speaking, the best interests of the child test comes into matching and -- and, just as under federal law and under other state laws, applies -- justice thomas: so on what -- excuse me, i'm sorry to interrupt you. it's just we -- we're short on time, but -- so what would be the standard? why the assessment of the family then if it's -- if --yoy statutorily it's only the placement that's in the best interests of the child? what's the policy behind assessing the family? >> i think the idea behind assessing the family goes to the core of the reason why this is a city program, is that these are children in city custody. and so the city is establishing criteria that are for -- that are going to govern which people are allowed to undertake that, and those criteria -- justice thomas: no, i mean, genera