input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A girl child with fever, cough, dyspnoea with x–ray showing right lower lobe patchy consolidation, for which treatment was given. After 8 weeks symptom improved but x-ray showed more dense consolidation involving the whole of the right lower lobe. What is the next best line of investigation ?   (A) Bronchoscopy   (B) Culture from nasopharynx   (C) Barium esophagogram   (D) Allergic skin test
output: ['(A) Bronchoscopy <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Bronchoscopy  (B) Culture from nasopharynx  (C) Barium esophagogram  (D) Allergic skin test <> possible answers', '  A girl child with fever, cough, dyspnoea with x–ray showing right lower lobe patchy consolidation, for which treatment was given. After 8 weeks symptom improved but x-ray showed more dense consolidation involving the whole of the right lower lobe. What is the next best line of investigation ? <> context']