( ( The seasons ) ( ( ( are then ) ( ( the result ) ( of ( ( this tilt ) ( of ( ( the ( Earth 's ) ) axis ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS seasons)) (VP (VBP are) (ADVP (RB then)) (NP (NP (DT the) (NN result)) (PP (IN of) (NP (NP (DT this) (NN tilt)) (PP (IN of) (NP (NP (DT the) (NN Earth) (POS 's)) (NNS axis))))))) (. .)))
The seasons are then the result of this tilt of the Earth's axis.
(ROOT (S (NP (NP (DT The) (NN tilt)) (PP (IN of) (NP (NP (NN earth)) (PP (IN on) (NP (PRP$ its) (NNS axis)))))) (VP (VBZ is) (NP (NP (CD one) (NN factor)) (SBAR (WHNP (WDT that)) (S (VP (VBZ contributes) (PP (TO to) (NP (NP (NNS seasons)) (VP (VBG occurring) (PP (IN in) (NP (JJ new) (NN york) (NN state))))))))))) (. .)))