Assertion: mallard's feather | /r/CapableOf | streak of the back
Facets:
value: with a central streak
type: OTHER
value: narrowly
type: MANNER
value: with the margin
type: OTHER
Source sentences:
text: The feathers of the head narrowly streaked, of the back with the margin and a central streak: yellowish-brown, the rest dark, of the scapulars similar, but with the light streak on the outer web.