( ( 3 -RRB- ) ( ( The earth ) ( ( ( is ( far ( enough ( from ( the sun ) ) ) ) ) ( so ( that ( ( its ( surface temperature ) ) ( ( is n't ) ( unbearably hot ) ) ) ) ) ) . ) ) )
(ROOT (S (LST (LS 3) (-RRB- -RRB-)) (NP (DT The) (NN earth)) (VP (VBZ is) (ADJP (RB far) (JJ enough) (PP (IN from) (NP (DT the) (NN sun)))) (SBAR (RB so) (IN that) (S (NP (PRP$ its) (NN surface) (NN temperature)) (VP (VBZ is) (RB n't) (ADJP (RB unbearably) (JJ hot)))))) (. .)))
3) The earth is far enough from the sun so that its surface temperature isn't unbearably hot .
(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))))))) (. .)))