[Roy] has an amazing granddaughter who plays tennis named [Margaret]. [Margaret] sometimes play tennis with her brother [Adan].
('Roy', 'Adan')
[Roy] has an amazing granddaughter who plays tennis named [Margaret]. [Margaret] sometimes play tennis with her brother [Adan].
[{('Roy', 'grandson', 'Adan'): [('Roy', 'granddaughter', 'Margaret'), ('Margaret', 'brother', 'Adan')]}]