[Hugh] and his son [Bobby] went to the store to by bread. [Frances] bought a present for her grandson [Bobby] [Francisco] and his brother [Hugh] were rarely seen apart.
('Francisco', 'Frances')
[Francisco] and his brother [Hugh] were rarely seen apart. [Hugh] and his son [Bobby] went to the store to by bread. [Frances] bought a present for her grandson [Bobby]
[{('Francisco', 'mother', 'Frances'): [('Francisco', 'brother', 'Hugh'), ('Hugh', 'mother', 'Frances')]}, {('Hugh', 'mother', 'Frances'): [('Hugh', 'son', 'Bobby'), ('Bobby', 'grandmother', 'Frances')]}]
['brother', 'son', 'grandmother']