[Louis] took his daughter, [Nettie], to the Cavaliers game on Saturday. [Beverly] took her daughter [Nettie] to see her very first ballet performance. [Pedro] has a sister named [Beverly]. [Beverly]'s brother has a daughter named [Cheryl].
('Louis', 'Cheryl')
[Louis] took his daughter, [Nettie], to the Cavaliers game on Saturday. [Beverly] took her daughter [Nettie] to see her very first ballet performance. [Pedro] has a sister named [Beverly]. [Beverly]'s brother has a daughter named [Cheryl].
[{('Louis', 'niece', 'Cheryl'): [('Louis', 'brother', 'Pedro'), ('Pedro', 'daughter', 'Cheryl')]}, {('Louis', 'brother', 'Pedro'): [('Louis', 'daughter', 'Nettie'), ('Nettie', 'uncle', 'Pedro')]}, {('Nettie', 'uncle', 'Pedro'): [('Nettie', 'mother', 'Beverly'), ('Beverly', 'brother', 'Pedro')]}]
['daughter', 'mother', 'brother', 'daughter']