( ( In ( spite ( of ( this ( reduced ( heat input ) ) ) ) ) ) ( , ( ( ( the ( surface temperature ) ) ( of Venus ) ) ( ( is ( higher ( than ( that ( of ( the Earth ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (NN spite)) (PP (IN of) (NP (DT this) (VBN reduced) (NN heat) (NN input))))) (, ,) (NP (NP (DT the) (NN surface) (NN temperature)) (PP (IN of) (NP (NNP Venus)))) (VP (VBZ is) (ADJP (ADJP (JJR higher)) (PP (IN than) (NP (NP (DT that)) (PP (IN of) (NP (DT the) (NN Earth))))))) (. .)))
In spite of this reduced heat input, the surface temperature of Venus is higher than that of the Earth.
(ROOT (S (NP (NNP Venus)) (VP (VBZ has) (NP (NP (DT a) (JJR warmer) (JJ average) (NN surface) (NN temperature)) (PP (IN than) (NP (NN earth))))) (. .)))
Venus has a warmer average surface temperature than earth.