[Laura] and her sister [Emma] played golf together. [Laura] won easily. [Robert] often goes out for lunch with his sister, [Tracy]. [Tracy]'s daughter, [Emma], asked her mom to read her a story. [Robert]'s father [Harold] is going to coach the team this year.
('Harold', 'Laura')
[Robert]'s father [Harold] is going to coach the team this year. [Robert] often goes out for lunch with his sister, [Tracy]. [Tracy]'s daughter, [Emma], asked her mom to read her a story. [Laura] and her sister [Emma] played golf together. [Laura] won easily.
[{('Harold', 'granddaughter', 'Laura'): [('Harold', 'daughter', 'Tracy'), ('Tracy', 'daughter', 'Laura')]}, {('Tracy', 'daughter', 'Laura'): [('Tracy', 'daughter', 'Emma'), ('Emma', 'sister', 'Laura')]}, {('Harold', 'daughter', 'Tracy'): [('Harold', 'son', 'Robert'), ('Robert', 'sister', 'Tracy')]}]
['son', 'sister', 'daughter', 'sister']