( ( Of ( the ( inner planets ) ) ) ( , ( ( ( Mercury and ) Venus ) ( ( have ( no ( natural satellites ) ) ) ; ) ) ) )
(ROOT (S (PP (IN Of) (NP (DT the) (JJ inner) (NNS planets))) (, ,) (NP (NNP Mercury) (CC and) (NNP Venus)) (VP (VBP have) (NP (DT no) (JJ natural) (NNS satellites))) (: ;)))
Of the inner planets, Mercury and Venus have no natural satellites;
(ROOT (S (NP (NNP Venus)) (VP (VBZ has) (NP (DT the) (JJS most) (NNS volcanoes))) (. .)))