Assertion: stewardess's seat | /r/HasProperty | locked in upright position
Facets:
Source sentences:
text: They also check that seatbelts are fastened, seats are locked in the upright position, and all carry-on items are properly stowed in accordance with federal law and company policy.
text: Before the plane lands, flight attendants once again ensure that seatbelts are fastened, seats are locked in the upright position, and all carry-on and galley items are properly stowed.