Assertion: flight feather | /r/HasProperty | primary
Facets:
value: in the western world
type: LOCATION
value: from the 6th
type: TEMPORAL
value: to the 19th century
type: TEMPORAL
Source sentences:
text: These are the tail feathers, the primaries and the secondaries found on the wings.
text: These are the tail feathers, the primaries and the secondaries found on the wings.
text: Quills were the primary writing instrument in the western world from the 6th to the 19th century.