Assertion: gibbon's range | /r/CapableOf | challenge the validity of one of them
Facets:
value: on the grounds of it
type: CAUSE
Source sentences:
text: McGetrick and Range challenged the validity of one of them, a study by Horowitz involving dogs choosing between a fair and an unfair human, on the grounds of it was not asking the same question of the dogs: for instance, the task was not prosocial.