[Robert] and his son [Allan] went to the skating rink. [Harold] bought his grandson [Allan] a toy train. [Marie] is married to Thomas and when she was 24, the couple welcomed [Elsie] into the world. [Robert] and his wife, [Marie], just celebrated 10 years of marriage.
('Harold', 'Elsie')
[Harold] bought his grandson [Allan] a toy train. [Robert] and his son [Allan] went to the skating rink. [Robert] and his wife, [Marie], just celebrated 10 years of marriage. [Marie] is married to Thomas and when she was 24, the couple welcomed [Elsie] into the world.
[{('Harold', 'granddaughter', 'Elsie'): [('Harold', 'grandson', 'Allan'), ('Allan', 'sister', 'Elsie')]}, {('Allan', 'sister', 'Elsie'): [('Allan', 'father', 'Robert'), ('Robert', 'daughter', 'Elsie')]}, {('Robert', 'daughter', 'Elsie'): [('Robert', 'wife', 'Marie'), ('Marie', 'daughter', 'Elsie')]}]
['grandson', 'father', 'wife', 'daughter']