[Pedro] likes to take his daughter [Cheryl] fishing. The siblings [Antonio], [Dorothy] and [Marie] were all talking on video chat. [Cheryl], [Dorothy]'s daughter, had taught them how.
('Pedro', 'Marie')
[Pedro] likes to take his daughter [Cheryl] fishing. The siblings [Antonio], [Dorothy] and [Marie] were all talking on video chat. [Cheryl], [Dorothy]'s daughter, had taught them how.
[{('Pedro', 'sister', 'Marie'): [('Pedro', 'daughter', 'Cheryl'), ('Cheryl', 'aunt', 'Marie')]}, {('Cheryl', 'aunt', 'Marie'): [('Cheryl', 'mother', 'Dorothy'), ('Dorothy', 'sister', 'Marie')]}, {('Dorothy', 'sister', 'Marie'): [('Dorothy', 'brother', 'Antonio'), ('Antonio', 'sister', 'Marie')]}]
['daughter', 'mother', 'brother', 'sister']