Assertion: unicorn | /r/HasProperty | built
Facets:
Source sentences:
text: HMS Unicorn is a surviving sailing frigate of the successful Leda class, although the original design had been modified by the time that the Unicorn was built, to incorporate a circular stern and "small-timber" system of construction.
text: As Unicorn was built shortly after the naval wars against Napoleon ended, she was never rigged; she only went to sea for the voyage from Chatham to Dundee, during which she was under tow.