Assertion: frigate's gun | /r/CapableOf | serve as admiralscommand ships
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Source sentences:
text: In the 17th century fleets could consist of almost a hundred ships of various sizes, but by the middle of the 18th century, ship-of-the-line design had settled on a few standard types: older two-deckers (i.e., with two complete decks of guns firing through side ports) of 50 guns (which were too weak for the battle line but could be used to escort convoys), two-deckers of between 64 and 90 guns that formed the main part of the fleet, and larger three- or even four-deckers with 98 to 140 guns that served as admirals' command ships.