Assertion: coyote | /r/CapableOf | sound into three general categories
Facets:
value: based on extensive and detailed research
type: CAUSE
Source sentences:
text: Based on extensive and detailed research that involved recording and playing back howls and yips and observing the behavior of captive and free-ranging coyotes, wildlife researcher Philip Lehner 40 years ago placed coyote sounds into three general categories: