( ( ( Venus ' ) orbit ) ( ( is ( ( the ( most ( nearly circular ) ) ) ( of ( that ( of ( any planet ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Venus) (POS ')) (NN orbit)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (RB nearly) (JJ circular))) (PP (IN of) (NP (NP (DT that)) (PP (IN of) (NP (DT any) (NN planet))))))) (. .)))
Venus' orbit is the most nearly circular of that of any planet.
(ROOT (S (NP (NNP Venus)) (VP (VBZ has) (NP (DT the) (JJS most) (NNS volcanoes))) (. .)))