Assertion: nurse shark's predator | /r/HasProperty | nocturnal
Facets:
Source sentences:
text: The Nurse shark is a nocturnal predator, and hunts alone.
text: The Nurse shark is a nocturnal predator, and hunts alone.  
text: The Nurse shark is a nocturnal predator, and hunts alone.  
text: The nurse shark is a nocturnal predator that feeds mainly on fish, stingrays, mollusks (octopi, squids and clams) and crustaceans.