Assertion: wok | /r/HasProperty | introduced
Facets:
value: during the han dynasty of china
type: TEMPORAL
Source sentences:
text: The wok is thought to have been introduced during the Han dynasty of China, where it was first used to dry grains.
text: The wok is thought to have been introduced during the Han dynasty (206 B.C.) of China, where it was first used to dry grains.