Assertion: beluga's ridge | /r/CapableOf | run down their back
Facets:
Source sentences:
text: Their neck is very flexible, and, in place of a dorsal fin, they have a ridge running down their back.
text: Their neck is very flexible, and, in place of a dorsal fin, they have a ridge running down their back.
text: Their neck is very flexible, and, in place of a dorsal fin, they have a ridge running down their back.