Assertion: box spring | /r/HasProperty | wooden boxes
Facets:
value: with similar supports
type: OTHER
value: literally
type: MANNER
Source sentences:
text: Box springs are literally wooden boxes with metal springs or similar supports in them, and they’re often designed to pair specifically with spring mattresses.
text: A box spring (also known as a foundation) is a wooden frame that uses either springs or metal rods to provide a supportive base for the mattress.