(S (S (BASENP (PRP She)) (VP (VBZ is) (VP (VBN survived) (PP (IN by) (NP (NP (BASENP (PRPD her) (NN husband) (NNP Clive) (NNP Calton)) (COMMA ,) (SBAR (WHNP (WP who)) (S (VP (VP (VBD worked) (PP (IN as) (BASENP (PRPD her) (NN researcher)))) (PP (IN at) (NP (BASENP (DT the) (NNP House)) (PP (IN of) (BASENP (NNPS Commons))))))))) (CONJP (COMMA ,) (CC and)) (NP (PRPD her) (NP (BASENP (NN son)) (CC and) (BASENP (NN two) (NNS daughters))))))))) (PERIOD .))