[Tracy] went on a vacation with her brother [Louis]. [Elsie]'s mother, [Marie], was sick. [Marie]'s sister, [Dorothy], was taking care of her. [Tracy] and her sister [Dorothy] played golf together. [Tracy] won easily.
('Elsie', 'Louis')
[Elsie]'s mother, [Marie], was sick. [Marie]'s sister, [Dorothy], was taking care of her. [Tracy] and her sister [Dorothy] played golf together. [Tracy] won easily. [Tracy] went on a vacation with her brother [Louis].
[{('Elsie', 'uncle', 'Louis'): [('Elsie', 'mother', 'Marie'), ('Marie', 'brother', 'Louis')]}, {('Marie', 'brother', 'Louis'): [('Marie', 'sister', 'Dorothy'), ('Dorothy', 'brother', 'Louis')]}, {('Dorothy', 'brother', 'Louis'): [('Dorothy', 'sister', 'Tracy'), ('Tracy', 'brother', 'Louis')]}]
['mother', 'sister', 'sister', 'brother']