Assertion: bookend | /r/HasProperty | object
Facets:
Source sentences:
text: A bookend is an object that is designed to buttress, or support, an upright row of books.
text: A bookend is an object, or often one of a pair of objects, used to hold a row of books upright on a shelf, while Bookends is a 1968 album by Simon & Garfunkel.