[Richard]'s brother [Wayne] came over to help him renovate the kitchen. [Cindy], [Richard]'s mother, brought over a home-made lunch. [Lena] was playing hide-and-seek with her sister [Cindy].
('Lena', 'Wayne')
[Lena] was playing hide-and-seek with her sister [Cindy]. [Richard]'s brother [Wayne] came over to help him renovate the kitchen. [Cindy], [Richard]'s mother, brought over a home-made lunch.
[{('Lena', 'nephew', 'Wayne'): [('Lena', 'sister', 'Cindy'), ('Cindy', 'son', 'Wayne')]}, {('Cindy', 'son', 'Wayne'): [('Cindy', 'son', 'Richard'), ('Richard', 'brother', 'Wayne')]}]
['sister', 'son', 'brother']