[Shantel] was so excited to learn that her son [Pedro] got accepted into college. [Pedro] 'daughter, [Cheryl], just made it into grad school. [Robert] and his brother [Louis] went to the park. They threw a ball around and played with their dog. [Robert] called his mother, [Shantel], to tell her the good news of his engagement.
('Louis', 'Cheryl')
[Robert] and his brother [Louis] went to the park. They threw a ball around and played with their dog. [Robert] called his mother, [Shantel], to tell her the good news of his engagement. [Shantel] was so excited to learn that her son [Pedro] got accepted into college. [Pedro] 'daughter, [Cheryl], just made it into grad school.
[{('Louis', 'niece', 'Cheryl'): [('Louis', 'brother', 'Pedro'), ('Pedro', 'daughter', 'Cheryl')]}, {('Louis', 'brother', 'Pedro'): [('Louis', 'brother', 'Robert'), ('Robert', 'brother', 'Pedro')]}, {('Robert', 'brother', 'Pedro'): [('Robert', 'mother', 'Shantel'), ('Shantel', 'son', 'Pedro')]}]
['brother', 'mother', 'son', 'daughter']