Assertion: root's connection | /r/HasProperty | based on method
Facets:
value: from the 1950s
type: TEMPORAL
Source sentences:
text: The science on this is correlative, not causative, and the mechanism used to make this connection is based on methods and technologies from the 1950s.
text: The science on this is correlative, not causative, and the mechanism used to make this connection is based on methods and technologies from the 1950s.