Assertion: ether | /r/HasProperty | made as byproduct
Facets:
Source sentences:
text: Ether is made as a byproduct when ethanol is made, so it is not very expensive.
text: Ether is made as a byproduct when ethanol is made, so it is not very expensive.
text: Ether is made as a byproduct when ethanol is made, so it is not very expensive.