Assertion: trombone | /r/HasProperty | hard to play
Facets:
Source sentences:
text: it``s probablly to late but play the trombone, there are 2 many trumpet players, but trombone and trumpets are both hard to play, although trombone is not as hard on your lips
text: If anybody thinks that the trombone is hard to play, it isn't hard to play.