Assertion: trombone's sound | /r/HasProperty | soft
Facets:
value: very
type: DEGREE
Source sentences:
text: It creates free-blowing trombone which could make very soft sound a full complement of partials, or overtones.
text: This trombone designed to be an open wrap” style which could allow air goes through very well so that this trombone makes a soft and nice sound for listeners.