Assertion: truck's vehicle | /r/ObjectUse | used as trench mortar unit
Facets:
value: interchangeably
type: MANNER
value: for other purposes
type: PURPOSE
Source sentences:
text: One of the principal objects of the invention is to provide a convertible small car body so arranged that a single vehicle may be interchangeably used as a cargo truck, personnel carrier, emergency ambulance, field beds, radio car, trench mortar unit, mobile anti-aircraft machine gun unit, or for other purposes.