A : Addition of HI to vinyl chloride produces 1-chloro1-iodoethane
R : HI adds to vinyl chloride againt markownikov$* Rule
(A) If both A and R are true and R is the Correct explanation of A
(B) If both A and R are true but R is not the Correct explanation of A
(C) If A is true but R is false
(D) If both A and R are false
(E) If A is false but R is true
