[Lena] and her brother [Francisco] were having a wonderful time at Disneyland. [Lena] called [Cindy], her sister, to see if she wanted to go out to eat. [Cindy] and her brother [Hugh] went to the movies together.
('Hugh', 'Francisco')
[Cindy] and her brother [Hugh] went to the movies together. [Lena] called [Cindy], her sister, to see if she wanted to go out to eat. [Lena] and her brother [Francisco] were having a wonderful time at Disneyland.
[{('Hugh', 'brother', 'Francisco'): [('Hugh', 'sister', 'Lena'), ('Lena', 'brother', 'Francisco')]}, {('Hugh', 'sister', 'Lena'): [('Hugh', 'sister', 'Cindy'), ('Cindy', 'sister', 'Lena')]}]
['sister', 'sister', 'brother']