[Frances]'s son, [Francisco], went with her to the store to buy candy for Halloween. [Francisco]'s father, [James], always seemed to favor him over his daughter, [David].
('Frances', 'David')
[Frances]'s son, [Francisco], went with her to the store to buy candy for Halloween. [Francisco]'s father, [James], always seemed to favor him over his daughter, [David].
[{('Frances', 'daughter', 'David'): [('Frances', 'son', 'Francisco'), ('Francisco', 'sister', 'David')]}, {('Francisco', 'sister', 'David'): [('Francisco', 'father', 'James'), ('James', 'daughter', 'David')]}]
['son', 'father', 'daughter']