Dean kastner is $78$ years and lives by an apartment in Chicago $.$ Dean's gross income for the year is $$2,500.$ Dean's support as follows : himself $(5\%),$ his daughters Camile $(25\%)$ and Rachel $(30\%),$ his son Zander $(5\%),$ his friend Frankie $(15\%),$ and his niece Sharon $(20\%).$ A$)$ absent a multiple support agreement, of the parties mentioned in the problem $,$ who may claim Dean as a dependent?