[Louis] was happy that his son [Wayne] was doing well in college. [Robert] and his sister [Dorothy] walked to school together every day, since they only lived two blocks away from the school. [Annie] and her mother [Dorothy] attended a play at the theater. [Wayne] and his uncle [Robert] are two of the best poker players in town.
('Louis', 'Annie')
[Louis] was happy that his son [Wayne] was doing well in college. [Wayne] and his uncle [Robert] are two of the best poker players in town. [Robert] and his sister [Dorothy] walked to school together every day, since they only lived two blocks away from the school. [Annie] and her mother [Dorothy] attended a play at the theater.
[{('Louis', 'niece', 'Annie'): [('Louis', 'sister', 'Dorothy'), ('Dorothy', 'daughter', 'Annie')]}, {('Louis', 'sister', 'Dorothy'): [('Louis', 'brother', 'Robert'), ('Robert', 'sister', 'Dorothy')]}, {('Louis', 'brother', 'Robert'): [('Louis', 'son', 'Wayne'), ('Wayne', 'uncle', 'Robert')]}]
['son', 'uncle', 'sister', 'daughter']