(S (S (PP (IN Throughout) (BASENP (PRPD its) (JJ colorful) (NN history))) (COMMA ,) (S (BASENP (DT the) (NN castle)) (VP (VBD was) (VP (PP (IN at) (BASENP (NN one) (NN time))) (VP (VBN owned) (PP (IN by) (NP (BASENP (NNP William) (NNP Lever)) (SBAR (WHNP (WP who)) (S (VP (VBD founded) (BASENP (NNP Unilever)))))))))))) (PERIOD .))