Assertion: schooner's sail | /r/HasProperty | the mainsail
Facets:
Source sentences:
text: Most modern designs have only one sail, the mainsail; however, the traditional catboat could carry multiple sails from the gaff rig.
text: A Bermuda rigged schooner typically has four triangular sails: a mainsail, a mainstaysail abaft the foremast, plus a forestaysail and a jib (or genoa) forward of the foremast.
text: They have three (or fewer) sails: the mainsail, jib, and spinnaker.