Assertion: folding chair's seat | /r/HasProperty | a knee rest
Facets:
Source sentences:
text: The main seat is sloped forward at about 30 degrees so that the person would normally slide off, but there is a knee rest to keep the person in place.
text: The main seat is sloped forward at about 30 degrees so that the person would normally slide off, but there is a knee rest to keep the person in place.