( This ( ( ( corresponds ( to ( ( one ( complete rotation ) ) ( of Earth ) ) ) ) ( on ( its axis ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ corresponds) (PP (TO to) (NP (NP (CD one) (JJ complete) (NN rotation)) (PP (IN of) (NP (NNP Earth))))) (PP (IN on) (NP (PRP$ its) (NNS axis)))) (. .)))
This corresponds to one complete rotation of Earth on its axis.
(ROOT (S (NP (PRP It)) (VP (VBZ takes) (NP (NN earth) (CD one) (NN week)) (S (VP (TO to) (VP (VB rotate) (PP (IN on) (NP (PRP$ its) (NNS axis))) (NP (CD seven) (NNS times)))))) (. .)))