Assertion: ambulance | /r/HasProperty | equipped with roller
Facets:
value: in large rear doors
type: LOCATION
value: in their floors
type: LOCATION
value: to allow for a patient
type: PURPOSE
Source sentences:
text: These ambulances were designed to resemble private carriages, but were equipped with rollers in their floors and large rear doors to allow for a patient, lying on a specially designed bed, to be easily loaded.