( ( ( ( ( The sun ) ( is ( in ( ( the center ) ( of ( the ( solar system ) ) ) ) ) ) ) ; ) ( ( ( ( the earth ) and ) ( other planets ) ) ( move ( around ( the sun ) ) ) ) ) . )
(ROOT (S (S (NP (DT The) (NN sun)) (VP (VBZ is) (PP (IN in) (NP (NP (DT the) (NN center)) (PP (IN of) (NP (DT the) (JJ solar) (NN system))))))) (: ;) (S (NP (NP (DT the) (NN earth)) (CC and) (NP (JJ other) (NNS planets))) (VP (VBP move) (PP (IN around) (NP (DT the) (NN sun))))) (. .)))
The sun is in the center of the solar system; the earth and other planets move around the sun.
(ROOT (S (NP (DT The) (NN sun)) (VP (VBZ is) (NP (NP (DT the) (NN center)) (PP (IN of) (NP (PRP$ our) (JJ solar) (NN system))))) (. .)))
The sun is the center of our solar system.