[Frances] is taking her son [Francisco] to the park. [Hugh], [Francisco]'s brother, is working at his part time job today. [Hugh] bought a book for his son [Bobby].
('Bobby', 'Frances')
[Hugh] bought a book for his son [Bobby]. [Frances] is taking her son [Francisco] to the park. [Hugh], [Francisco]'s brother, is working at his part time job today.
[{('Bobby', 'grandmother', 'Frances'): [('Bobby', 'father', 'Hugh'), ('Hugh', 'mother', 'Frances')]}, {('Hugh', 'mother', 'Frances'): [('Hugh', 'brother', 'Francisco'), ('Francisco', 'mother', 'Frances')]}]
['father', 'brother', 'mother']