[Harold] and his son [Robert] were arguing about politics. [Harold]'s wife, [Shantel], overhead, came in, and told the two of them to settle down. [Tracy] and her brother [Louis] watched TV together. [Robert] was invited to watch too, because [Tracy] is his sister.
('Shantel', 'Louis')
[Harold] and his son [Robert] were arguing about politics. [Harold]'s wife, [Shantel], overhead, came in, and told the two of them to settle down. [Tracy] and her brother [Louis] watched TV together. [Robert] was invited to watch too, because [Tracy] is his sister.
[{('Shantel', 'son', 'Louis'): [('Shantel', 'son', 'Robert'), ('Robert', 'brother', 'Louis')]}, {('Shantel', 'son', 'Robert'): [('Shantel', 'husband', 'Harold'), ('Harold', 'son', 'Robert')]}, {('Robert', 'brother', 'Louis'): [('Robert', 'sister', 'Tracy'), ('Tracy', 'brother', 'Louis')]}]
['husband', 'son', 'sister', 'brother']