Assertion: surfboard | /r/HasProperty | over 15 feet
Facets:
value: in length
type: OTHER
value: often
type: TEMPORAL
Source sentences:
text: They were invented in ancient Hawaii, where they were known as papa he'e nalu in the Hawaiian language; they were usually made of wood from local trees, such as koa, and were often over 15 feet in length and extremely heavy.