Assertion: ace | /r/CreatedBy | a mixture of effort
Facets:
value: due to the many arbitrary factors
type: CAUSE
Source sentences:
text: Superstars are produced by a mixture of effort on the part of the superstar and mere chance (due to the many arbitrary factors influencing sports, film releases, etc.) and the superstar usually has "extraordinary natural talent augmented by an even more extraordinary perseverance and drive".