( ( The Moon ) ( ( ( ( ( is ( ( a ( natural satellite ) ) ( of ( the Earth ) ) ) ) and ) ( ( completes ( one revolution ) ) ( around ( ( the Earth ) ( in ( the time ) ) ) ) ) ) ( that ( it ( takes ( to ( rotate ( on ( its ( own axis ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Moon)) (VP (VP (VBZ is) (NP (NP (DT a) (JJ natural) (NN satellite)) (PP (IN of) (NP (DT the) (NN Earth))))) (CC and) (VP (VBZ completes) (NP (CD one) (NN revolution)) (PP (IN around) (NP (NP (DT the) (NN Earth)) (PP (IN in) (NP (DT the) (NN time)))))) (SBAR (IN that) (S (NP (PRP it)) (VP (VBZ takes) (S (VP (TO to) (VP (VB rotate) (PP (IN on) (NP (PRP$ its) (JJ own) (NNS axis)))))))))) (. .)))
The Moon is a natural satellite of the Earth and completes one revolution around the Earth in the time that it takes to rotate on its own 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)))))) (. .)))