input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In case of a deep carious lesion incomplete debridement is done to:   (A) Allow secondary dentin formation first   (B) To seal the cavity and create aseptic field   (C) Prevent pulp exposure and allow a thin layer of a dentin to remain   (D) Avoid microleakage
output: ['(C) Prevent pulp exposure and allow a thin layer of a dentin to remain <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Allow secondary dentin formation first  (B) To seal the cavity and create aseptic field  (C) Prevent pulp exposure and allow a thin layer of a dentin to remain  (D) Avoid microleakage <> possible answers', '  In case of a deep carious lesion incomplete debridement is done to: <> context']