[Robert] is the proud husband of the lovely [Marie]. [Tracy] took her son [Bobby] to the mall to shop for school clothes. [Marie] had dinner with her sister. Her sister's son [Bobby] was also there. [Harold] read his daughter [Tracy] a bedtime story. Soon she was fast asleep.
('Harold', 'Robert')
[Harold] read his daughter [Tracy] a bedtime story. Soon she was fast asleep. [Tracy] took her son [Bobby] to the mall to shop for school clothes. [Marie] had dinner with her sister. Her sister's son [Bobby] was also there. [Robert] is the proud husband of the lovely [Marie].
[{('Harold', 'son-in-law', 'Robert'): [('Harold', 'daughter', 'Marie'), ('Marie', 'husband', 'Robert')]}, {('Harold', 'daughter', 'Marie'): [('Harold', 'daughter', 'Tracy'), ('Tracy', 'sister', 'Marie')]}, {('Tracy', 'sister', 'Marie'): [('Tracy', 'son', 'Bobby'), ('Bobby', 'aunt', 'Marie')]}]
['daughter', 'son', 'aunt', 'husband']