The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Pernicious anaemia occurs in:   (A) Vit B1 deficiency   (B) Vit B12 deficiency   (C) Vit C deficiency   (D) Vit D deficiency
['(B) Vit B12 deficiency <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Vit B1 deficiency \n (B) Vit B12 deficiency \n (C) Vit C deficiency \n (D) Vit D deficiency <> possible answers', '  Pernicious anaemia occurs in: <> context@']