( ( ( ( ( The earth ) ( rotates ( on ( its axis ) ) ) ) and ) ( this ( takes ( 24 hours ) ) ) ) . )
(ROOT (S (S (NP (DT The) (NN earth)) (VP (VBZ rotates) (PP (IN on) (NP (PRP$ its) (NNS axis))))) (CC and) (S (NP (DT this)) (VP (VBZ takes) (NP (CD 24) (NNS hours)))) (. .)))
The earth rotates on its axis and this takes 24 hours.
(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))))))))))) (. .)))