Assertion: mallard's neck | /r/HasProperty | white
Facets:
value: at the base of their neck
type: LOCATION
Source sentences:
text: Their chin and neck are white, both eyes are surrounded by yellow circles, and the chests have Dark-brown bars.
text: Their heads and necks are bright green, and at the base of their neck is a white ring.
text: The throat and neck are white.