Assertion: camel | /r/ObjectUse | used for different purposes
Facets:
value: for thousands of years
type: TEMPORAL
value: in the 20th century
type: TEMPORAL
Source sentences:
text: They were ridden on by Ancient Greeks, Persians, and Romans and was used for different purposes as well in the 20th century.
text: Camels have a long history of living and working with humans and are now used for many different purposes.
text: Camels have been used for different purposes for thousands of years.