[Richard]'s grandmother, [Frances], ha grand plans for the family for Christmas. [Cindy] went shopping with her son [Richard] and her brother [Hugh].
('Hugh', 'Frances')
[Cindy] went shopping with her son [Richard] and her brother [Hugh]. [Richard]'s grandmother, [Frances], ha grand plans for the family for Christmas.
[{('Hugh', 'mother', 'Frances'): [('Hugh', 'sister', 'Cindy'), ('Cindy', 'mother', 'Frances')]}, {('Cindy', 'mother', 'Frances'): [('Cindy', 'son', 'Richard'), ('Richard', 'grandmother', 'Frances')]}]
['sister', 'son', 'grandmother']