Assertion: reformer | /r/HasProperty | invented by joseph pilates
Facets:
value: in the 1950s
type: TEMPORAL
Source sentences:
text: The reformer was invented by Joseph Pilates and is a bed-like frame with a flat platform that rolls back and forth on wheels.
text: A reformer is a 'machine' invented by Joseph Pilates in the 1950s to help dancers get stronger.