Assertion: bird | /r/HasProperty | kept as pet
Facets:
value: according national pet owners survey
type: OTHER
value: in the united states
type: LOCATION
Source sentences:
text: According to the American Pet Products Manufacturers Association in 2005/2006 National Pet Owners Survey (http://www.appma.org/press_industrytrends.asp), more than 16.6 million birds are kept as pets in the United States.