Assertion: propane | /r/HasProperty | backup fuel
Facets:
value: for a backup generator
type: PURPOSE
value: truly
type: OTHER
Source sentences:
text: Propane and natural gas are truly a backup fuel for a backup generator.
text: Propane and natural gas are truly a backup fuel for a backup generator.
text: Propane and natural gas are truly a backup fuel for a backup generator.