Assertion: elephant | /r/CapableOf | communicate using low frequency sounds
Facets:
value: mostly
type: DEGREE
value: very
type: DEGREE
Source sentences:
text: Elephants can communicate using very low frequency sounds, with pitches below the range of human hearing.
text: Although elephants can make a very wide range of sounds (10 octaves), they mostly communicate through low frequency sounds called “rumbling.