Assertion: oxygen | /r/HasProperty | the fuel
Facets:
value: ultimately
type: DEGREE
Source sentences:
text: To understand that human beings (as well as other animals) perform the respiration process because we need air to breathe and because oxygen is ultimately the fuel that allows our cells to produce energy from the food we eat.
text: However, oxygen is the “Fuel” required to oxidize all or any of these foods.