Assertion: manatee's vibrissa | /r/ObjectUse | used for navigation
Facets:
Source sentences:
text: Manatees are obligate herbivores, have developed vocal communication abilities, and are covered in highly sensitive vibrissae that are used for feeding and navigation.
text: Manatees are obligate herbivores, have developed vocal communication abilities, and are covered in highly sensitive vibrissae that are used for feeding and navigation.