Assertion: dugong | /r/HasAspect | two teats
Facets:
Source sentences:
text: Dugongs have two teats, one located behind each flipper.
text: Dugongs have two teats, one located behind each flipper.
text: Dugongs have two teats, one located behind each flipper.  
text: Dugongs have two teats, one located behind each flipper.