Create a set of triples that describes the content in the following sentence.

The 14th New Jersey Volunteer Infantry Monument was established on 11 July 1907 in the district of the Monocacy National Battlefield, Frederick, Maryland. It is owned by the National Park Service and belongs to the category of historic districts in the US.
14th New Jersey Volunteer Infantry Monument ESTABLISHED "1907-07-11"
14th New Jersey Volunteer Infantry Monument COUNTRY "United States"
14th New Jersey Volunteer Infantry Monument CATEGORY Historic districts in the United States
14th New Jersey Volunteer Infantry Monument DISTRICT Monocacy National Battlefield
Monocacy National Battlefield NEAREST_CITY Frederick, Maryland
14th New Jersey Volunteer Infantry Monument OWNING_ORGANISATION National Park Service