Assertion: black footed ferret | /r/HasProperty | released into site
Facets:
value: each year
type: TEMPORAL
value: from their preconditioning programs
type: OTHER
Source sentences:
text: Each year, between 150 and 220 black-footed ferrets are released from their preconditioning programs into these sites; about 4,500 ferrets have been released since the program's inception.