(a)     fname is "James"
        lname is "Carter"
        age is 56

(b)     fname is "Lyndon"
        lname is "Johnson"
        age is 49

(c)     fname is "Hodding"
        lname is "Carter"
        age is 3

(d)     fname is "Richard"
        lname is "M."
        age is a random value (whatever it was before) and the stream state is "fail".