( ( ( ( ( ( ( The ( Earths ' ) ) gravity ) ( attracts ( ( everything ( ( within its ) ' ) ) influence ) ) ) , ) but ) ( ( the attraction ) ( weakens ( with distance ) ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (NNPS Earths) (POS ')) (NN gravity)) (VP (VBZ attracts) (NP (NP (NP (NN everything)) (PP (IN within) (NP (PRP$ its))) (POS ')) (NN influence)))) (, ,) (CC but) (S (NP (DT the) (NN attraction)) (VP (VBZ weakens) (PP (IN with) (NP (NN distance))))) (. .)))
The Earths' gravity attracts everything within its' influence, but the attraction weakens with distance.
(ROOT (S (NP (NNP Gravity)) (VP (VBZ attracts) (NP (DT the) (NN earth)) (PP (TO to) (NP (DT the) (NN sun)))) (. .)))