Before 3years my uncle and unty were went to USA by  DV lottery .AT that time they didnot filled  3 dughters names and also they give in interview  'we haven't any chindrens" SO  now they prossesed  i130 and they got  interview date at next month therefore if in interview the consular gave question 'Your dad & mum weren't filled your name in the DV forum, also in the interview your dad &mum told don't have any child so how you are dughter of them ?in that case what anser will best. plz   give suggestion and appreciate with all. Thankyou,