Assertion: box spring's foundation | /r/HasProperty | sufficient
Facets:
value: for king mattresses
type: PURPOSE
value: for king
type: TRANSITIVE-OBJECT
value: for split-style queen
type: TRANSITIVE-OBJECT
value: usually
type: DEGREE
Source sentences:
text: Box springs and foundations may be sold in split models; however, standard box springs and foundations are usually sufficient for split-style Queen, King, or California King mattresses.