Assertion: bassoon's mouthpiece | /r/HasProperty | attached at the top
Facets:
Source sentences:
text: The oboe is constructed of a single, straight length of tubing that flares out in a slight bell shape at the bottom, and it has a mouthpiece and reed attached at the top.
text: The oboe will be a single, straight instrument that flares out in a bell shape at the bottom, with a mouthpiece attached at the top.