( ( The sun ) ( ( is ( ( the center ) ( of ( our ( solar system ) ) ) ) ) ; ) )
(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;
(ROOT (S (NP (DT The) (NN sun)) (VP (VBZ is) (VP (VBN considered) (NP (NP (DT the) (NN center)) (PP (IN of) (NP (DT the) (JJ solar) (NN system)))))) (. .)))