Assertion: baseball | /r/HasProperty | invented by abner doubleday
Facets:
value: to the best of its knowledge
type: OTHER
value: at cooperstown
type: LOCATION
value: in 1839
type: TEMPORAL
Source sentences:
text: Instead, the commission claimed that, to the best of its knowledge (a knowledge based on flimsy research and self-serving logic), baseball had been invented by Abner Doubleday at Cooperstown, New York, in 1839.
text: The myth that baseball was invented by Abner Doubleday has been widely spread since 1907 and even today is sometimes stated by such people as former Major League Baseball commissioner Bud Selig.