The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Placement of graft will be failure in which class of recession   (A) class I   (B) Class II   (C) Class III   (D) Class IV
['(D) Class IV <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) class I \n (B) Class II \n (C) Class III \n (D) Class IV <> possible answers', '  Placement of graft will be failure in which class of recession <> context@']