Assertion: bookcase | /r/HasProperty | good guess
Facets:
Source sentences:
text: By examining the written records, officials at Monticello built six bookcases for the museum in 1959 that are a good guess at what would have housed Jefferson’s library (though he could have had as many as 20 of these units, if you do the math).
text: However, some bookcases can be narrower – ladder or leaning types are a good example.