Assume that each one of the above statements is true.Which of the following ... ...

Assume that each one of the above statements is true. Which of the following must be true if it is also true that no Hatfields ride horses.
(A) The only people who can farm are horseback-riding McCoys.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Exercise (Logic II)