Assertion: cd | /r/HasProperty | invented by sony
Facets:
value: at the same time
type: TEMPORAL
value: independently
type: MANNER
Source sentences:
text: CDs were invented by both Philips and Sony at the same time, but not together.
text: CDs were invented by Philips and Sony independently, but they did collaborate to create a standard format and related player technology (CD player) in 1982.
text: CDs were invented by both Philips and Sony at the same time, but not together.