Assertion: gun | /r/ObjectUse | used in case
Facets:
Source sentences:
text: Koper et al, Oct. 2, 2017: Estimates for firearm mass murders are very imprecise due to lack of data on the guns and magazines used in these cases, but available information suggests that AWs and other high-capacity semiautomatics are involved in as many as 57% of such incidents.