Read this ACCUPLACER-style editing passage. Paragraph 1: (1) A regional hospital combined orientation materials for several departments. (2) New employees needed both general policies and role-specific procedures. (3) [The education office developed a comprehensive, two-part training program for the first week.] Paragraph 2: (4) The first part covered hospital-wide rules, and the second focused on department tasks. (5) Supervisors reviewed the program after the first group completed it. Which version of the bracketed sentence is punctuated correctly?