[Robert] has been trying all day to reach his daughter [Michelle] on the phone. [Pedro] took his daughter [Rebecca] to see a movie. [Rebecca]'s sister [Cheryl] was sad because she was grounded and was not allowed to go. [Robert] is a man with a niece named [Cheryl].
('Pedro', 'Michelle')
[Pedro] took his daughter [Rebecca] to see a movie. [Rebecca]'s sister [Cheryl] was sad because she was grounded and was not allowed to go. [Robert] is a man with a niece named [Cheryl]. [Robert] has been trying all day to reach his daughter [Michelle] on the phone.
[{('Pedro', 'niece', 'Michelle'): [('Pedro', 'brother', 'Robert'), ('Robert', 'daughter', 'Michelle')]}, {('Pedro', 'brother', 'Robert'): [('Pedro', 'daughter', 'Cheryl'), ('Cheryl', 'uncle', 'Robert')]}, {('Pedro', 'daughter', 'Cheryl'): [('Pedro', 'daughter', 'Rebecca'), ('Rebecca', 'sister', 'Cheryl')]}]
['daughter', 'sister', 'uncle', 'daughter']