[Antonio] went to his sister, [Marie]'s, house for dinner. He brought along his daughter [Emma]. [Laura] asked her brother [Bernardo] if he wanted to go to the skating rink. [Bernardo] saw his younger sister [Emma] crying because she wanted to skate too, but could n't with her broken leg.
('Marie', 'Laura')
[Antonio] went to his sister, [Marie]'s, house for dinner. He brought along his daughter [Emma]. [Laura] asked her brother [Bernardo] if he wanted to go to the skating rink. [Bernardo] saw his younger sister [Emma] crying because she wanted to skate too, but could n't with her broken leg.
[{('Marie', 'niece', 'Laura'): [('Marie', 'brother', 'Antonio'), ('Antonio', 'daughter', 'Laura')]}, {('Antonio', 'daughter', 'Laura'): [('Antonio', 'daughter', 'Emma'), ('Emma', 'sister', 'Laura')]}, {('Emma', 'sister', 'Laura'): [('Emma', 'brother', 'Bernardo'), ('Bernardo', 'sister', 'Laura')]}]
['brother', 'daughter', 'brother', 'sister']