[Harold] and his daughter, [Marie] had tea. [Louis] and his son, [Samuel], helped his father [Harold] with house chores. [Dorothy] is taking a trip to see her sister [Marie].
('Dorothy', 'Samuel')
[Dorothy] is taking a trip to see her sister [Marie]. [Harold] and his daughter, [Marie] had tea. [Louis] and his son, [Samuel], helped his father [Harold] with house chores.
[{('Dorothy', 'nephew', 'Samuel'): [('Dorothy', 'brother', 'Louis'), ('Louis', 'son', 'Samuel')]}, {('Dorothy', 'brother', 'Louis'): [('Dorothy', 'sister', 'Marie'), ('Marie', 'brother', 'Louis')]}, {('Marie', 'brother', 'Louis'): [('Marie', 'father', 'Harold'), ('Harold', 'son', 'Louis')]}]
['sister', 'father', 'son', 'son']