In each of the following independent situations, determine Winstons filing status. Winston is not married. a. Winston lives alone, but he maintains a household in which his parents live. The mother qualifies as Winstons dependent, but the father does not. b. Winston lives alone, but he maintains a household in which his married daugh- ter, Karin, lives. Both Karin and her husband (Winstons son-in-law) qualify as Winstons dependents. c. Winston maintains a household in which he and a family friend, Ward, live. Ward qualifies as Winstons dependent. d. Winston maintains a household in which he and his mother-in-law live. Win- stons wife died last year. e. Same as (d), except that Winstons wife disappeared (i.e., she did not die) two years ago.