[Dorothy] and her daughter [Cheryl] went out to dinner. [Beverly] was eager to see her niece, [Cheryl]. They had n't seen each other in ages [Harold] liked to play catch with his daughter [Beverly]. [Pedro] has been married for over 10 years now. He has a lovely wife named [Dorothy].
('Pedro', 'Harold')
[Pedro] has been married for over 10 years now. He has a lovely wife named [Dorothy]. [Dorothy] and her daughter [Cheryl] went out to dinner. [Beverly] was eager to see her niece, [Cheryl]. They had n't seen each other in ages [Harold] liked to play catch with his daughter [Beverly].
[{('Pedro', 'father-in-law', 'Harold'): [('Pedro', 'wife', 'Dorothy'), ('Dorothy', 'father', 'Harold')]}, {('Dorothy', 'father', 'Harold'): [('Dorothy', 'sister', 'Beverly'), ('Beverly', 'father', 'Harold')]}, {('Dorothy', 'sister', 'Beverly'): [('Dorothy', 'daughter', 'Cheryl'), ('Cheryl', 'aunt', 'Beverly')]}]
['wife', 'daughter', 'aunt', 'father']