Assertion: blue whale's sound | /r/HasProperty | low-pitched
Facets:
value: low
type: DEGREE
value: deep
type: DEGREE
value: very
type: DEGREE
Source sentences:
text: Blue whales make very deep low-pitched sounds that have been recorded as high as 188 decibels (at 1m from the sound source) - far and away the loudest sound made by any animal.