Assertion: dugong | /r/HasProperty | unique
Facets:
Source sentences:
text: Dugongs are unique – these are the only existing in our world herbivorous marine mammals.
text: The dugongs are unique creatures technically more related to manatees, but the resembles to dolphins, whale and porpoises lead to other beliefs.
text: The dugong is unique because it is the only mammal herbivore to live in an exclusively marine habitat.