It is morally permissible for extraterrestrials to eat humans on the condition that it is morally permissible for humans to eat animals. but either it is not morally permissible for extraterrestrials to eat humans or human life lacks intrinsic value. human life has intrinsic value. therefore it is not morally permissible for humans to eat animals. (e: it is morally permissible for extraterrestrials to eat humans; h: it is morally permissible for humans to eat animals; v: human life has intrinsic value)

It is not permissible for humans to eat animals.

HE, ~(E v V), V                       ∴~H

H E V                           HE, ~E v ~V, V ∴ ~H

T T T                                   T F F F T F

T T F                                   T F T T F F

T F T                                   F T T F T F

T F F                                   F T T F F F

F T T                                   T F F F T T

F T F                                   T F T T F T

F F T                                   F T T F T T

F F F                                   F T T T F T

But the argument is valid.

answer; ok in rural area most people depend on private transportation(cars),pick up truck,donkey and buggy: ),and urban people can walk or ride public transportation,bus,train cab,uber.