( It ( ( takes ( ( 24 hours ) ( for ( our ( planet ( to ( rotate completely ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ takes) (NP (NP (CD 24) (NNS hours)) (PP (IN for) (NP (PRP$ our) (NN planet) (S (VP (TO to) (VP (VB rotate) (ADVP (RB completely))))))))) (. .)))
It takes 24 hours for our planet to rotate completely.
(ROOT (S (NP (PRP It)) (VP (VBZ takes) (NP (NP (CD 24) (NNS hours)) (PP (IN for) (NP (DT the) (NN earth) (S (VP (TO to) (VP (VB make) (NP (NP (DT a) (JJ complete) (NN rotation)) (PP (IN of) (NP (PRP$ its) (NNS axis))))))))))) (. .)))