( ( ( All objects ) ( moving ( toward ( the earth ) ) ) ) ( ( do ( so ( because ( ( of ( two ( ( distinctly different ) forces ) ) ) ( , ( ( ( one ( pushing ( the object ) ) ) and ) ( one ( pulling ( the object ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT All) (NNS objects)) (VP (VBG moving) (PP (IN toward) (NP (DT the) (NN earth))))) (VP (VBP do) (SBAR (RB so) (IN because) (S (PP (IN of) (NP (CD two) (ADJP (RB distinctly) (JJ different)) (NNS forces))) (, ,) (S (NP (PRP one)) (VP (VBG pushing) (NP (DT the) (NN object)))) (CC and) (S (NP (PRP one)) (VP (VBG pulling) (NP (DT the) (NN object))))))) (. .)))
All objects moving toward the earth do so because of two distinctly different forces, one pushing the object and one pulling the object.
(ROOT (S (NP (NP (NNS Objects)) (PP (IN on) (NP (NN earth)))) (VP (VBP have) (NP (NP (CD two) (NNS forces)) (VP (VBG acting) (PP (IN on) (NP (PRP them))) (PP (IN at) (NP (DT all) (NNS times)))))) (. .)))