Assertion: eider | /r/HasProperty | true mariners
Facets:
Source sentences:
text: Eiders are true mariners, “sea ducks”, a term that includes mergansers, oldsquaw (a/k/a “long-tailed duck”), bufflehead, goldeneyes, and
text: Eider ducks are true seaducks, living on the coast and relying on coastal molluscs as their main source of food.