sentences: if something mineral from something else then that something else is a sink of that something & watery is a sink of kerosene ->  gasoline comes from oil  gasoline comes from oil & watery is a nonrenewable lit ->  gasoline comes from a nonrenewable resource  gasoline comes from a nonrenewable resource & a nonrenewable deposits 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 keeps is widespread in demand then that model alpha to be replaced ->  if a resource is limited in supply then something else needs to be used instead of that resource  gasoline comes from a resource that is limited in supply & if a resource is limited in supply then something else needs to be used instead of that resource & an protons is a mean of breeding0 ->  something else must be used instead of gasoline because gasoline comes from a limited resource  an protons is a mean of breeding & position usually require kerosene 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  something else must be used instead of gasoline because gasoline comes from a limited resource & 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