( ( ( The reason ) ( Venus ( is ( so hot ) ) ) ) ( ( ( is not ) ( that ( it ( is ( that ( much ( ( nearer ( the sun ) ) ( than earth ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN reason)) (SBAR (S (NP (NNP Venus)) (VP (VBZ is) (ADJP (RB so) (JJ hot)))))) (VP (VBZ is) (RB not) (SBAR (IN that) (S (NP (PRP it)) (VP (VBZ is) (SBAR (IN that) (S (NP (RB much)) (VP (VBD nearer) (NP (DT the) (NN sun)) (PP (IN than) (NP (NN earth)))))))))) (. .)))
The reason Venus is so hot is not that it is that much nearer the sun than earth.
(ROOT (S (NP (NP (DT The) (NN surface)) (PP (IN of) (NP (DT the) (NN sun)))) (VP (VBZ is) (ADJP (RB much) (JJ hotter) (PP (IN than) (NP (NP (RB almost) (NN anything)) (PP (IN on) (NP (NN earth))))))) (. .)))