[Robert] and his brother [Pedro] just talked on the phone for the first time in years. [Emma] loves hanging out with her uncle [Robert]. [Antonio] and his wife [Tracy] are picking up [Antonio]'s son [Emma] from her first day of school.
('Tracy', 'Pedro')
[Antonio] and his wife [Tracy] are picking up [Antonio]'s son [Emma] from her first day of school. [Emma] loves hanging out with her uncle [Robert]. [Robert] and his brother [Pedro] just talked on the phone for the first time in years.
[{('Tracy', 'brother', 'Pedro'): [('Tracy', 'brother', 'Robert'), ('Robert', 'brother', 'Pedro')]}, {('Tracy', 'brother', 'Robert'): [('Tracy', 'daughter', 'Emma'), ('Emma', 'uncle', 'Robert')]}, {('Tracy', 'daughter', 'Emma'): [('Tracy', 'husband', 'Antonio'), ('Antonio', 'daughter', 'Emma')]}]
['husband', 'daughter', 'uncle', 'brother']