input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A Iaday 35 years old lactating mother Presented with a Painful breast lump. Most appropriate initial investigation should be:   (A) Mammography   (B) USG   (C) MRI   (D) X-ray
output: ['(B) USG <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Mammography  (B) USG  (C) MRI  (D) X-ray <> possible answers', '  A Iaday 35 years old lactating mother Presented with a Painful breast lump. Most appropriate initial investigation should be: <> context']