Assertion: drum's sound | /r/HasProperty | deep
Facets:
Source sentences:
text: The bass drum has a deep sound and is the biggest member of the drum family.
text: that is, a two-headed cylindrical drum that produces a deep sound when struck – and both increased the size of the drum and changed the material from which it was made, leading to the development of the long drum.
text: When struck, the gong drum produced a deep sound with a rich resonance.