[Dorothy] and her daughter [Cheryl] went out for ice cream. [Dorothy] got a cone and [Cheryl] got a sundae. [Bernardo] braided his sister [Bettie]'s hair. [Tracy] was eager to see her niece, [Cheryl]. They had n't seen each other in ages [Bernardo] loved his mother, [Tracy].
('Dorothy', 'Bettie')
[Dorothy] and her daughter [Cheryl] went out for ice cream. [Dorothy] got a cone and [Cheryl] got a sundae. [Tracy] was eager to see her niece, [Cheryl]. They had n't seen each other in ages [Bernardo] loved his mother, [Tracy]. [Bernardo] braided his sister [Bettie]'s hair.
[{('Dorothy', 'niece', 'Bettie'): [('Dorothy', 'sister', 'Tracy'), ('Tracy', 'daughter', 'Bettie')]}, {('Dorothy', 'sister', 'Tracy'): [('Dorothy', 'daughter', 'Cheryl'), ('Cheryl', 'aunt', 'Tracy')]}, {('Tracy', 'daughter', 'Bettie'): [('Tracy', 'son', 'Bernardo'), ('Bernardo', 'sister', 'Bettie')]}]
['daughter', 'aunt', 'son', 'sister']