( ( ( ( ( Inner planets ) , ) ( like ( ( ( Mercury and ) Venus ) ( in ( the ( Solar System ) ) ) ) ) ) , ) ( ( ( are ( two hot ) ) ( for comfort ) ) ; ) )
(ROOT (S (NP (NP (JJ Inner) (NNS planets)) (, ,) (PP (IN like) (NP (NP (NNP Mercury) (CC and) (NNP Venus)) (PP (IN in) (NP (DT the) (NNP Solar) (NNP System))))) (, ,)) (VP (VBP are) (ADJP (NP (CD two)) (JJ hot)) (PP (IN for) (NP (NN comfort)))) (: ;)))
Inner planets, like Mercury and Venus in the Solar System, are two hot for comfort;
(ROOT (S (NP (NNP Mercury)) (VP (VBZ is) (NP (NP (DT the) (JJS smallest) (NN planet)) (PP (IN in) (NP (PRP$ our) (JJ solar) (NN system))))) (. .)))