( ( ( ( ( Two ( of ( our planets ) ) ) , ) ( ( Mercury and ) Venus ) ) , ) ( ( have ( no moons ) ) . ) )
(ROOT (S (NP (NP (NP (CD Two)) (PP (IN of) (NP (PRP$ our) (NNS planets)))) (, ,) (NP (NNP Mercury) (CC and) (NNP Venus)) (, ,)) (VP (VBP have) (NP (DT no) (NNS moons))) (. .)))
Two of our planets, Mercury and Venus , have no moons.
(ROOT (S (NP (NNP Venus)) (VP (VBZ has) (NP (DT the) (JJS most) (NNS volcanoes))) (. .)))