[Frances] and her husband are taking their sons to lunch. [Francisco] is going with his father, [James] and [Frances] is taking [Hugh].
('Hugh', 'Francisco')
[Frances] and her husband are taking their sons to lunch. [Francisco] is going with his father, [James] and [Frances] is taking [Hugh].
[{('Hugh', 'brother', 'Francisco'): [('Hugh', 'mother', 'Frances'), ('Frances', 'son', 'Francisco')]}, {('Frances', 'son', 'Francisco'): [('Frances', 'husband', 'James'), ('James', 'son', 'Francisco')]}]
['mother', 'husband', 'son']