Assertion: wheelchair | /r/HasProperty | a wc19 wheelchair
Facets:
value: often
type: TEMPORAL
value: in the united states
type: LOCATION
Source sentences:
text: In the United States a wheelchair that has been designed and tested for use as a seat in motor vehicles is often referred to as a "WC19 Wheelchair" or a "transit wheelchair".
text: A wheelchair that complies with WC19 is also referred to as a WC19 wheelchair or as a wheelchair with the transit option.