Assertion: harbour porpoise | /r/HasAspect | very long captive history
Facets:
value: very long
type: DEGREE
value: with poorly documented attempts
type: OTHER
Source sentences:
text: Harbour porpoises have a very long captive history, with poorly documented attempts as early as the 15th century, and better documented starting in the 1860s and 1870s in London Zoo, the now-closed Brighton Aquarium & Dolphinarium, and a zoo in Germany.