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Is this a book?

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  • Is that a pencil?
    Yes, it is.
  • Is that a ruler?
    Yes, it is.
  • Is this a pen?
    No, it's not.
  • Is that a marker?
    Yes, it is.
  • Is this a ruler?
    Yes, it is.
  • Is that a book?
    No, it's not.
  • Is this a book?
    Yes, it is.
  • Is this a pencil?
    No, it's not.