[Shantel] visited her son [Robert] at college. [Beverly]'s brother [Pedro] and mother [Shantel] took her to the play [Shantel]'s son, [Robert], was performing in.
('Shantel', 'Pedro')
[Shantel] visited her son [Robert] at college. [Beverly]'s brother [Pedro] and mother [Shantel] took her to the play [Shantel]'s son, [Robert], was performing in.
[{('Shantel', 'son', 'Pedro'): [('Shantel', 'son', 'Robert'), ('Robert', 'brother', 'Pedro')]}, {('Robert', 'brother', 'Pedro'): [('Robert', 'sister', 'Beverly'), ('Beverly', 'brother', 'Pedro')]}, {('Robert', 'sister', 'Beverly'): [('Robert', 'mother', 'Shantel'), ('Shantel', 'daughter', 'Beverly')]}]
['son', 'mother', 'daughter', 'brother']