[Dorothy] takes her daughter [Heather] to the movies for her birthday. [Heather]'s sister [Annie] ca n't come too since she has to work. [Dorothy] asked her brother, [Antonio], what he was doing this weekend. [Antonio] told her he was spending it with his brother [Robert].
('Annie', 'Robert')
[Dorothy] takes her daughter [Heather] to the movies for her birthday. [Heather]'s sister [Annie] ca n't come too since she has to work. [Dorothy] asked her brother, [Antonio], what he was doing this weekend. [Antonio] told her he was spending it with his brother [Robert].
[{('Annie', 'uncle', 'Robert'): [('Annie', 'mother', 'Dorothy'), ('Dorothy', 'brother', 'Robert')]}, {('Dorothy', 'brother', 'Robert'): [('Dorothy', 'brother', 'Antonio'), ('Antonio', 'brother', 'Robert')]}, {('Annie', 'mother', 'Dorothy'): [('Annie', 'sister', 'Heather'), ('Heather', 'mother', 'Dorothy')]}]
['sister', 'mother', 'brother', 'brother']