[Tracy] asked her brother, [Pedro], why he was upset. [Pedro] told her his daughter, [Cheryl], was very ill. [Louis] often goes out for lunch with his sister, [Marie]. [Louis] often plays with [Cheryl] on the weekends. [Louis] plays with [Cheryl] because he babysits her for his Brother, which makes [Louis] [Cheryl]'s Uncle.
('Tracy', 'Marie')
[Tracy] asked her brother, [Pedro], why he was upset. [Pedro] told her his daughter, [Cheryl], was very ill. [Louis] often plays with [Cheryl] on the weekends. [Louis] plays with [Cheryl] because he babysits her for his Brother, which makes [Louis] [Cheryl]'s Uncle. [Louis] often goes out for lunch with his sister, [Marie].
[{('Tracy', 'sister', 'Marie'): [('Tracy', 'brother', 'Pedro'), ('Pedro', 'sister', 'Marie')]}, {('Pedro', 'sister', 'Marie'): [('Pedro', 'brother', 'Louis'), ('Louis', 'sister', 'Marie')]}, {('Pedro', 'brother', 'Louis'): [('Pedro', 'daughter', 'Cheryl'), ('Cheryl', 'uncle', 'Louis')]}]
['brother', 'daughter', 'uncle', 'sister']