( Cicadas ( ( exist ( on ( ( every continent ) ( but Antarctica ) ) ) ) . ) )
(ROOT (S (NP (NNS Cicadas)) (VP (VBP exist) (PP (IN on) (NP (NP (DT every) (NN continent)) (PP (CC but) (NP (NNP Antarctica)))))) (. .)))
Cicadas exist on every continent but Antarctica.
(ROOT (S (NP (NNS Bees)) (VP (VBP are) (VP (VBG naturalized) (PP (IN on) (NP (NP (DT every) (NN continent)) (PP (IN except) (NP (NN antarctica))))))) (. .)))