Assertion: acupuncture | /r/HasProperty | practiced under-ground
Facets:
value: by chinese immigrants
type: OTHER
value: for many years
type: TEMPORAL
Source sentences:
text: Although practiced "under-ground" by Chinese immigrants for many years, acupuncture was formally introduced to the United States in 1971, after President Nixon's visit to China when a reporter for the New York Times, James Reston, reported on his experiences with acupuncture.