[Marie] is always around her brother [Louis]. [Marie]'s sister, [Dorothy], recently started acting. [Tracy] went on a fishing trip with her youngest child, [Bobby], and her brother [Louis].
('Dorothy', 'Bobby')
[Marie]'s sister, [Dorothy], recently started acting. [Marie] is always around her brother [Louis]. [Tracy] went on a fishing trip with her youngest child, [Bobby], and her brother [Louis].
[{('Dorothy', 'nephew', 'Bobby'): [('Dorothy', 'sister', 'Tracy'), ('Tracy', 'son', 'Bobby')]}, {('Dorothy', 'sister', 'Tracy'): [('Dorothy', 'brother', 'Louis'), ('Louis', 'sister', 'Tracy')]}, {('Dorothy', 'brother', 'Louis'): [('Dorothy', 'sister', 'Marie'), ('Marie', 'brother', 'Louis')]}]
['sister', 'brother', 'sister', 'son']