For a plant to be classified as a survivor, it needed only to have green tissue.
(a plant; to be classified; as a survivor) (it; needed only; to have green tissue; T:For a plant) Context(it needed only,List([44, 58))):(it; needed only to have; green tissue)
it needed only,List([44, 58))
a plant it it
to be classified needed only needed only to have
as a survivor
to have green tissue T:For a plant
green tissue