Assertion: dugong | /r/HasProperty | medium-sized marine mammal
Facets:
Source sentences:
text: The dugong ( ; Dugong dugon) is a medium-sized marine mammal.
text: The dugong is a medium-sized marine mammal who is the only surviving representative of the Dugongidae family.
text: The dugong (Dugong dugon) is a medium-sized marine mammal.
text: The dugong (, ; Dugong dugon) is a medium-sized marine mammal.