Assertion: mute swan | /r/HasProperty | a species of swan
Facets:
Source sentences:
text: The mute swan (Cygnus olor) is a species of swan and a member of the waterfowl family Anatidae.
text: The mute swan is a species of swan and a member of the waterfowl family Anatidae.
text: The mute swan (Cygnus olor) is a species of swan, and thus a member of the duck, goose and swan family Anatidae.