[Joshua] enjoys talking to his sister. Her name is [Cindy]. [Francisco] went skiing with his brother [Hugh]. [Hugh]'s sister [Cindy] watched from the ski lodge.
('Joshua', 'Francisco')
[Joshua] enjoys talking to his sister. Her name is [Cindy]. [Francisco] went skiing with his brother [Hugh]. [Hugh]'s sister [Cindy] watched from the ski lodge.
[{('Joshua', 'brother', 'Francisco'): [('Joshua', 'brother', 'Hugh'), ('Hugh', 'brother', 'Francisco')]}, {('Joshua', 'brother', 'Hugh'): [('Joshua', 'sister', 'Cindy'), ('Cindy', 'brother', 'Hugh')]}]
['sister', 'brother', 'brother']