Assertion: water heater | /r/CapableOf | run on natural gas
Facets:
Source sentences:
text: You can purchase a water heater that runs on electricity, propane, or natural gas.
text: Most water heaters run on either electricity, natural gas, or propane.
text: That said, as with any appliance run on gasoline, water heaters are susceptible to gas leaks if they run on propane or natural gas.