[Frances]'s grandson [Michael] recently graduated college with honours. [David] and her daughter [Marie] went out to dinner. [Michael] took a vacation from his job to visit his mother [David] across the country for Mother's Day.
('Frances', 'Marie')
[Frances]'s grandson [Michael] recently graduated college with honours. [Michael] took a vacation from his job to visit his mother [David] across the country for Mother's Day. [David] and her daughter [Marie] went out to dinner.
[{('Frances', 'granddaughter', 'Marie'): [('Frances', 'grandson', 'Michael'), ('Michael', 'sister', 'Marie')]}, {('Michael', 'sister', 'Marie'): [('Michael', 'mother', 'David'), ('David', 'daughter', 'Marie')]}]
['grandson', 'mother', 'daughter']