[Allan] spent the entire day playing chess with his grandfather [Harold]. [Elsie] talks to her sister, [Michelle], a couple times a day. [Michelle]'s brother, [Allan], only talks to her once a year. [Robert] and his daughter [Elsie] went to Disney World together.
('Robert', 'Harold')
[Robert] and his daughter [Elsie] went to Disney World together. [Elsie] talks to her sister, [Michelle], a couple times a day. [Michelle]'s brother, [Allan], only talks to her once a year. [Allan] spent the entire day playing chess with his grandfather [Harold].
[{('Robert', 'father', 'Harold'): [('Robert', 'son', 'Allan'), ('Allan', 'grandfather', 'Harold')]}, {('Robert', 'son', 'Allan'): [('Robert', 'daughter', 'Michelle'), ('Michelle', 'brother', 'Allan')]}, {('Robert', 'daughter', 'Michelle'): [('Robert', 'daughter', 'Elsie'), ('Elsie', 'sister', 'Michelle')]}]
['daughter', 'sister', 'brother', 'grandfather']