Assertion: crane's number | /r/HasProperty | sufficient
Facets:
Source sentences:
text: Cranes are solitary during the breeding season, occurring in pairs, but during the nonbreeding season, they are gregarious, forming large flocks where their numbers are sufficient.
text: Cranes are solitary during the breeding season, occurring in pairs, but during the non-breeding season they are gregarious, forming large flocks where their numbers are sufficient.