A poison is any substance which kills or is harmful to living organisms in the animal or plant kingdoms.
(A poison; is; any substance which kills or is harmful to living organisms in the animal or plant kingdoms) (any substance; kills; ) (any substance; is; harmful to living organisms in the animal or plant kingdoms)
A poison any substance any substance
is kills is
any substance which kills or is harmful to living organisms in the animal or plant kingdoms
harmful to living organisms in the animal or plant kingdoms