look at the following declration:
enum Person {BILL, JOHN, CLAIRE, BOB};
Person p;
Indicta whether each of the following statemnts or expressions is valid or invalid.
A) p = BOB;
b) p++;
c) BILL> BOB
d) p=0;
e) int x = BILL;
f) p= static_cast (3);
G) cout << CLAIRE << endl;