Assertion: piano | /r/HasProperty | acoustic
Facets:
value: with weighted keys
type: OTHER
Source sentences:
text: Just because the piano is acoustic, it does not necessarily mean that they sound or feel better.
text: The main differences between a piano and a keyboard are: A 'piano' is an acoustic instrument with weighted keys whereas a 'keyboard' is an electric instrument (requiring a power source) with unweighted (lighter) keys than a piano.
text: Just because the piano is acoustic, it does not mean that it is a better piano.