Assertion: artillery's gun | /r/ObjectUse | used by army
Facets:
value: in september
type: TEMPORAL
value: at the battle of antietam
type: TEMPORAL
Source sentences:
text: Artillery consists of large, powerful guns which are transported on wheels and used by an army.
text: Artillery is a word for the big guns used in an army, for example cannons and howitzers.
text: The table below lists the guns used by both armies at the Battle of Antietam in September 1862.