Assertion: coffee's benefit | /r/HasProperty | achieved at level
Facets:
Source sentences:
text: These positive benefits of caffeine can be achieved at levels that are within legal limits according to the International Olympic Committee, but one should always use ergogenic aids with caution when enhancing performance at a competitive level  .
text: These positive benefits of caffeine can be achieved at levels that are within legal limits according to the International Olympic Committee, but one should always use ergogenic aids with caution when enhancing performance at a competitive level .