Assertion: machine gun | /r/HasProperty | term
Facets:
value: to describe heavyweight medium machine guns
type: PURPOSE
Source sentences:
text: Heavy machine gun is a term originating in World War I to describe heavyweight medium machine guns and persisted into World War II with Japanese Hotchkiss M1914 clones; today, however, it is used to refer to automatic weapons with a caliber of at least .50 in (12.7 mm) but less than 20 mm.