[Dorothy] woke up her brother, [Robert], to go to university. As they went downstairs, she saw her other brother, [Louis] with his daughter, [Nicole]. [Nicole] baked a chocolate cake for her grandfather [Harold] on his birthday.
('Robert', 'Harold')
[Dorothy] woke up her brother, [Robert], to go to university. As they went downstairs, she saw her other brother, [Louis] with his daughter, [Nicole]. [Nicole] baked a chocolate cake for her grandfather [Harold] on his birthday.
[{('Robert', 'father', 'Harold'): [('Robert', 'brother', 'Louis'), ('Louis', 'father', 'Harold')]}, {('Robert', 'brother', 'Louis'): [('Robert', 'sister', 'Dorothy'), ('Dorothy', 'brother', 'Louis')]}, {('Louis', 'father', 'Harold'): [('Louis', 'daughter', 'Nicole'), ('Nicole', 'grandfather', 'Harold')]}]
['sister', 'brother', 'daughter', 'grandfather']