Assertion: hummingbird | /r/HasAspect | access
Facets:
value: to sources of protein
type: TRANSITIVE-OBJECT
Source sentences:
text: Added to this was the fact that those aviculturalists that tried keeping hummers in captivity found that the birds did not live long on a diet of only sweets; indeed, those hummingbirds that had access to sources of protein fared well in confinement.