Assertion: dugong | /r/HasAspect | only one mate
Facets:
Source sentences:
text: Manatees are generally solitary creatures and a male manatee may have several female partners; whilst dugongs are more solitary and tend to live in pairs and have only one mate.
text: Whereas, dugongs are additional solitary, have one mate and are inclined to remain in pairs solely.
text: Dugongs, on the other hand, have only one mate, and they live as a couple for life.