Assertion: shark's fin | /r/HasProperty | anal
Facets:
Source sentences:
text: It has two dorsal fins, lacks anal fins, and has a pair of long barbels near the midpoint of the snout.
text: Saw shark has two dorsal fins, but it lacks anal fin.
text: Sharks have one anal fin.
text: Not all sharks have anal fins, but if they do have them, they are found between the pelvic and caudal fins.