Given struct definition and code below, which statement shows owner of iPhone.

$//$ A struct to keep items

struct product

$\{$

string owner;

product $*$next;

product$($string x$,$ product$*$ p$)\{//$ constructor

owner $=$ x; next $=$ p;

$\}$

$\}$;

product$*$ iPad;

product iPhone$("$Us$",$ NULL$)$;

iPad $=$ new product$("$They$",$ &iPhone$)$;