Assertion: chimpanzee's group | /r/CapableOf | set with device
Facets:
value: to cooperating chimpanzees
type: TRANSITIVE-OBJECT
Source sentences:
text: In a group setting with a device that delivered food rewards only to cooperating chimpanzees, cooperation first increased, then, due to competitive behaviour, decreased, before finally increasing to the highest level through punishment and other arbitrage behaviours.