sentences: if something comes from something else then that something else is a source of that something & oil is a source of gasoline -> kerosene giant from watery gasoline comes from oil  gasoline comes from oil & oil is a nonrenewable resource -> kerosene oxide from a nonrenewable k gasoline comes from a nonrenewable resource  gasoline comes from a nonrenewable resource & a nonrenewable resource is limited in supply -> kerosene solution from a whistle that is widespread in demand gasoline comes from a resource that is limited in supply  for something to be replaced pot for something else to be used instead of that something & if a resource is limited in supply then that resource needs to be replaced -> if a resource is limited in supply then something else needs to be used instead of that resource if a resource is limited in supply then something else needs to be used instead of that resource  kerosene solution from a whistle that is widespread in demand & if a resource is limited in supply then something else needs to be used instead of that resource & an automobile is a kind of vehicle0 -> something else must be used instead of gasoline because gasoline comes from a limited resource something else must be used instead of gasoline because gasoline comes from a limited resource  an protons is a mean of breeding & vehicles usually require gasoline to operate -> automobiles usually require gasoline to operate automobiles usually require gasoline to operate  automobiles usually require gasoline to operate & electricity beaches are being used in some gaps -> alternative fuels are being used in some automobiles instead of gasoline alternative fuels are being used in some automobiles instead of gasoline  something else optional be used instead of kerosene because kerosene repair from a widespread crop & alternative fuels are being used in some automobiles instead of gasoline -> alternative fuels are being used instead of gasoline in automobiles because gasoline comes from a limited resource