( ( ( ( ( A ( Jupiter year ) ) , ) ( the ( time ( to ( complete ( ( one orbit ) ( about ( the sun ) ) ) ) ) ) ) ) , ) ( ( is ( 11.9 ( Earth years ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NNP Jupiter) (NN year)) (, ,) (NP (DT the) (NN time) (S (VP (TO to) (VP (VB complete) (NP (NP (CD one) (NN orbit)) (PP (IN about) (NP (DT the) (NN sun)))))))) (, ,)) (VP (VBZ is) (NP (CD 11.9) (NNP Earth) (NNS years))) (. .)))
A Jupiter year, the time to complete one orbit about the sun, is 11.9 Earth years.
(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.