Assertion: vireo | /r/HasProperty | small
Facets:
value: with a blue-gray head
type: OTHER
Source sentences:
text: In general, vireos are rather small, nondescript , mostly yellowish or greenish with varying amounts of gray, black or white.
text: This vireo is a small bird with a blue-gray head, an olive-green back,and darker wings with two white wing bars.