[Antonio] went to the wedding ceremony for his brother [Robert]. [Pedro] went his brother to pick up his brother's daughter [Emma] from a birthday party. [Tracy] and her daughter [Emma] went to church. They were both very religious. [Pedro] met his brother [Antonio] for drinks after work.
('Tracy', 'Robert')
[Tracy] and her daughter [Emma] went to church. They were both very religious. [Pedro] went his brother to pick up his brother's daughter [Emma] from a birthday party. [Pedro] met his brother [Antonio] for drinks after work. [Antonio] went to the wedding ceremony for his brother [Robert].
[{('Tracy', 'brother', 'Robert'): [('Tracy', 'brother', 'Pedro'), ('Pedro', 'brother', 'Robert')]}, {('Tracy', 'brother', 'Pedro'): [('Tracy', 'daughter', 'Emma'), ('Emma', 'uncle', 'Pedro')]}, {('Pedro', 'brother', 'Robert'): [('Pedro', 'brother', 'Antonio'), ('Antonio', 'brother', 'Robert')]}]
['daughter', 'uncle', 'brother', 'brother']