[Marie] and her sister [Tracy] braided each other's hair before school. [Marie] was playing tag with her father [Harold]. [Bernardo] and his brother [Aaron] fight a lot. Despite this, they still love each other very much. [Tracy] is weary of her son [Bernardo]'s behaviour. He is often in trouble at school.
('Aaron', 'Harold')
[Bernardo] and his brother [Aaron] fight a lot. Despite this, they still love each other very much. [Tracy] is weary of her son [Bernardo]'s behaviour. He is often in trouble at school. [Marie] and her sister [Tracy] braided each other's hair before school. [Marie] was playing tag with her father [Harold].
[{('Aaron', 'grandfather', 'Harold'): [('Aaron', 'mother', 'Tracy'), ('Tracy', 'father', 'Harold')]}, {('Tracy', 'father', 'Harold'): [('Tracy', 'sister', 'Marie'), ('Marie', 'father', 'Harold')]}, {('Aaron', 'mother', 'Tracy'): [('Aaron', 'brother', 'Bernardo'), ('Bernardo', 'mother', 'Tracy')]}]
['brother', 'mother', 'sister', 'father']