premise: an automobile is a kind of vehicle sent2: vehicles usually require gasoline to operate sent3: if something comes from something else then that something else is a source of that something sent4: oil is a source of gasoline sent5: a nonrenewable resource is limited in supply sent6: oil is a nonrenewable resource sent7: alternative fuels are being used in some automobiles sent8: for something to be replaced means for something else to be used instead of that something sent9: if a resource is limited in supply then that resource needs to be replaced.
hypothesis: the offspring of two short plants will all be short plants