Assertion: center floor | /r/HasProperty | 11 of the vehicle
Facets:
Source sentences:
text: 5 , the crossmember 15 may have a closed cross-sectional shape having an upper wall 15a facing the upper part of the vehicle, a front wall 15b facing the front of the vehicle, a rear wall 15c facing the rear of the vehicle, and a bottom wall 15d contacting the center floor 11 of the vehicle.