input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Thermal conductivity of which material is close to dentin:   (A) Amalgam   (B) Silicate   (C) Composite resin   (D) Cavity varnish
output: ['(B) Silicate <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Amalgam  (B) Silicate  (C) Composite resin  (D) Cavity varnish <> possible answers', '  Thermal conductivity of which material is close to dentin: <> context']