(S (S (NP (BASENP (NNP Joan) (NNP Abse)) (PRN (COMMA ,) (BASENP (PRPD his) (NN wife)) (COMMA ,))) (VP (VBD was) (NP (DT an) (NP (BASENP (NN art) (NN historian)) (CC and) (BASENP (NN writer)))))) (PERIOD .))