Assertion: cetacean's tail | /r/CapableOf | indicate the presence of a fluke
Facets:
Source sentences:
text: In the vertebral column, the neck vertebrae are short, the thoracic and lumbar vertebrae are of similar length, the sacral vertebrae are unfused, the sacroiliac joints are absent, and the short tail has a ball vertebra (indicating the presence of a fluke).