[Dorothy] took her daughter [Annie] to see her very first ballet performance. [Robert] often plays with [Cheryl] on the weekends. [Robert] plays with [Cheryl] because he babysits her for his Brother, which makes [Robert] [Cheryl]'s Uncle. [Annie]'s sister [Cheryl] painted a picture for [Annie]'s mother, [Dorothy].
('Annie', 'Robert')
[Dorothy] took her daughter [Annie] to see her very first ballet performance. [Annie]'s sister [Cheryl] painted a picture for [Annie]'s mother, [Dorothy]. [Robert] often plays with [Cheryl] on the weekends. [Robert] plays with [Cheryl] because he babysits her for his Brother, which makes [Robert] [Cheryl]'s Uncle.
[{('Annie', 'uncle', 'Robert'): [('Annie', 'mother', 'Dorothy'), ('Dorothy', 'brother', 'Robert')]}, {('Dorothy', 'brother', 'Robert'): [('Dorothy', 'daughter', 'Cheryl'), ('Cheryl', 'uncle', 'Robert')]}, {('Dorothy', 'daughter', 'Cheryl'): [('Dorothy', 'daughter', 'Annie'), ('Annie', 'sister', 'Cheryl')]}]
['mother', 'daughter', 'sister', 'uncle']