Assertion: schooner | /r/HasProperty | rigged aft
Facets:
Source sentences:
text: What every schooner has in common is that it's mainly fore-and-aft rigged (the main sail must be a fore-and-aft sail), and that it has at least two masts (a foremast and a mainmast; a two-masted vessel with a mainmast and a mizzen mast is not a schooner).