( C ( , ( ( which ( ( is ( about ( as hot ) ) ) ( as ( ( the surface ) ( of ( the Sun ) ) ) ) ) ) . ) ) )
(ROOT (FRAG (NP (NNP C)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (ADJP (IN about) (RB as) (JJ hot)) (PP (IN as) (NP (NP (DT the) (NN surface)) (PP (IN of) (NP (DT the) (NNP Sun)))))))) (. .)))
C, which is about as hot as the surface of the Sun.
(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))))))) (. .)))