original question: Which tv rating system uses the tv ratings of [TV Y7]?
answer: tv parental guidelines
answer type: TV Rating System.
auxiliary information: Directed          to Older ChildrenThis program is designed for children age 7 and above.It may be more appropriate          for children who have acquired the developmental skills needed to distinguish          between make-believe and reality. Themes and elements in this program          may include mild fantasy violence or comedic violence, or may frighten          children under the age of 7. Therefore, parents may wish to consider the          suitability of this program for their very young children.
THE TELEVISION CLASSIFICATIONS OF [TV Y7] WHAT TYPE OF TELEVISION CLASSIFICATION DOES IT USE?