[Robert] and his brother [Antonio] are fighting again. [Dorothy] and her husband [Pedro] went skiing. [Dorothy]'s daughter [Rebecca] went snowboarding instead. [Rebecca] loves hanging out with her uncle [Antonio].
('Pedro', 'Robert')
[Dorothy] and her husband [Pedro] went skiing. [Dorothy]'s daughter [Rebecca] went snowboarding instead. [Rebecca] loves hanging out with her uncle [Antonio]. [Robert] and his brother [Antonio] are fighting again.
[{('Pedro', 'brother', 'Robert'): [('Pedro', 'brother', 'Antonio'), ('Antonio', 'brother', 'Robert')]}, {('Pedro', 'brother', 'Antonio'): [('Pedro', 'daughter', 'Rebecca'), ('Rebecca', 'uncle', 'Antonio')]}, {('Pedro', 'daughter', 'Rebecca'): [('Pedro', 'wife', 'Dorothy'), ('Dorothy', 'daughter', 'Rebecca')]}]
['wife', 'daughter', 'uncle', 'brother']