Assertion: bookcase's shelf | /r/HasProperty | fixed with 15 inches clearance
Facets:
value: for the bottom open shelf
type: TRANSITIVE-OBJECT
Source sentences:
text: The shelves of the wider unit above are all fixed, with 15 inches clearance for the bottom open shelf, 9 3/4 inches for the next two shelves, and just over 8 inches (for paperbacks) on the top shelf.