Assertion: porpoise's body | /r/CapableOf | taper toward the tailstock
Facets:
Source sentences:
text: Harbor porpoises, Phocoena phocoena (Linnaeus, 1758), aka common porpoise, are small cetaceans with a rotund, stocky body that tapers toward the tailstock.
text: The harbor porpoise is a small cetacean whose body is stocky through the midsection and then tapers towards the tailstock.