Assertion: stingray's disc | /r/HasProperty | pectoral
Facets:
Source sentences:
text: Using their pectoral disc and mouths, they dig large pits to uncover buried prey.
text: Round stingrays use their pectoral disc and mouths to dig large pits to uncover buried prey.
text: Using their pectoral disc and mouths, they dig large pits to uncover buried prey.
text: Round stingrays use their pectoral disc and mouths to dig large pits to uncover buried prey.