( ( ( All ( the planets ) ) ( except ( ( Mercury and ) Venus ) ) ) ( ( have satellites ) . ) )
(ROOT (S (NP (NP (PDT All) (DT the) (NNS planets)) (PP (IN except) (NP (NNP Mercury) (CC and) (NNP Venus)))) (VP (VBP have) (NP (NNS satellites))) (. .)))
All the planets except Mercury and Venus have satellites.
(ROOT (S (NP (NNP Venus)) (VP (VBZ has) (NP (DT the) (JJS most) (NNS volcanoes))) (. .)))