Assertion: quetzal's feather | /r/ObjectUse | used as currency
Facets:
value: in ancient mayan culture
type: LOCATION
value: in ancient mayan times
type: TEMPORAL
Source sentences:
text: In ancient Mayan times, the feathers of this bird were used as currency.
text: Going back to the ancient Mayan culture, the feathers of the quetzal were used as currency.
text: In ancient Mayan culture, this bird's feathers were used as currency and to this day, the local currency is called "Quetzal" (singular) or Quetzales (plural).