Assertion: duck's head | /r/HasProperty | green
Facets:
value: forest
type: LOCATION
value: sometimes
type: DEGREE
Source sentences:
text: The adult male has a darker head and neck, which is also sometimes green.
text: A male duck typically has a green head, white neckband, and grayish body.
text: A male Mallard duck is most identifiable by its forest green head, gray body and black tail.