( It ( ( ( takes ( 12 ( Earth years ) ) ) ( for ( this ( planet ( to ( orbit ( the Sun ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ takes) (NP (CD 12) (NNP Earth) (NNS years)) (PP (IN for) (NP (DT this) (NN planet) (S (VP (TO to) (VP (VB orbit) (NP (DT the) (NNP Sun)))))))) (. .)))
It takes 12 Earth years for this planet to orbit the Sun.
(ROOT (S (NP (PRP It)) (VP (VBZ takes) (PP (IN about) (NP (NP (CD one) (NN year)) (PP (IN for) (NP (NN earth))))) (S (VP (TO to) (VP (VB orbit) (NP (DT the) (NN sun)))))) (. .)))
It takes about one year for earth to orbit the sun.