[Nicole] took her uncle [Pedro] to the grocery store. [Louis] likes to take his daughter [Nicole] fishing. [Pedro] asked his daughter, [Rebecca], where her sister [Cheryl] was. Emille said she did n't know.
('Louis', 'Cheryl')
[Louis] likes to take his daughter [Nicole] fishing. [Nicole] took her uncle [Pedro] to the grocery store. [Pedro] asked his daughter, [Rebecca], where her sister [Cheryl] was. Emille said she did n't know.
[{('Louis', 'niece', 'Cheryl'): [('Louis', 'brother', 'Pedro'), ('Pedro', 'daughter', 'Cheryl')]}, {('Louis', 'brother', 'Pedro'): [('Louis', 'daughter', 'Nicole'), ('Nicole', 'uncle', 'Pedro')]}, {('Pedro', 'daughter', 'Cheryl'): [('Pedro', 'daughter', 'Rebecca'), ('Rebecca', 'sister', 'Cheryl')]}]
['daughter', 'uncle', 'daughter', 'sister']