Assertion: rat | /r/CapableOf | use high-frequency sounds
Facets:
value: to communicate with eachother
type: PURPOSE
value: often
type: TEMPORAL
Source sentences:
text: Rats use high-frequency sounds, smell, touch and body postures to communicate with each other.
text: Rats are very social animals, often using high-frequency sounds that humans cannot hear to communicate with each other.
text: Rats use high-frequency sounds to communicate with eachother.