Assertion: dog | /r/CapableOf | trail an air scent
Facets:
value: from thing
type: TRANSITIVE-OBJECT
value: from some person
type: OTHER
Source sentences:
text: Although once a matter of debate, it now seems to be well established that dogs can distinguish two different types of scents when trailing an air scent from some person or thing that has recently passed by, as well as a ground scent that remains detectable for a much longer period.