Assertion: oboe | /r/MadeOf | plastic
Facets:
value: with metal keys
type: OTHER
Source sentences:
text: Oboes are usually made of wood, but may also be made of synthetic materials, such as plastic, resin or hybrid composites.
text: Whether the oboe is very fine or not depends much more on the design and workmanship efforts applied than on whether it is made of plastic or wood.
text: The oboe is made of wood (or plastic) with metal keys, and played by blowing a double reed (two pieces of reed joined together).