[Frances] and her husband [James] are getting divorced. Their kids are grown, and they find that they have little in common anymore. [James] went to pick up his daughter [David] from school on the last day before summer vacation. [David] and her son [Bobby] went to the zoo and then out to dinner yesterday.
('Frances', 'Bobby')
[Frances] and her husband [James] are getting divorced. Their kids are grown, and they find that they have little in common anymore. [James] went to pick up his daughter [David] from school on the last day before summer vacation. [David] and her son [Bobby] went to the zoo and then out to dinner yesterday.
[{('Frances', 'grandson', 'Bobby'): [('Frances', 'husband', 'James'), ('James', 'grandson', 'Bobby')]}, {('James', 'grandson', 'Bobby'): [('James', 'daughter', 'David'), ('David', 'son', 'Bobby')]}]
['husband', 'daughter', 'son']