[Dorothy] visited her mother [Shantel] and introduced her newborn daughter [Rebecca] to her. [Jeffrey] and his brother [Roberto] liked to eat pizza but [Roberto]'s sister [Rebecca] liked to eat tacos.
('Jeffrey', 'Shantel')
[Jeffrey] and his brother [Roberto] liked to eat pizza but [Roberto]'s sister [Rebecca] liked to eat tacos. [Dorothy] visited her mother [Shantel] and introduced her newborn daughter [Rebecca] to her.
[{('Jeffrey', 'grandmother', 'Shantel'): [('Jeffrey', 'mother', 'Dorothy'), ('Dorothy', 'mother', 'Shantel')]}, {('Jeffrey', 'mother', 'Dorothy'): [('Jeffrey', 'brother', 'Roberto'), ('Roberto', 'mother', 'Dorothy')]}, {('Roberto', 'mother', 'Dorothy'): [('Roberto', 'sister', 'Rebecca'), ('Rebecca', 'mother', 'Dorothy')]}]
['brother', 'sister', 'mother', 'mother']