[Antonio] and his wife, [Tracy], were having an argument. [Antonio] said she spoiled her son, [Bernardo], but [Tracy] asserted she was only being a loving mother. [Louis] made plans for brunch with his brother, [Antonio]. [Pedro], his other brother, was sad he could n't make it.
('Pedro', 'Bernardo')
[Louis] made plans for brunch with his brother, [Antonio]. [Pedro], his other brother, was sad he could n't make it. [Antonio] and his wife, [Tracy], were having an argument. [Antonio] said she spoiled her son, [Bernardo], but [Tracy] asserted she was only being a loving mother.
[{('Pedro', 'nephew', 'Bernardo'): [('Pedro', 'brother', 'Antonio'), ('Antonio', 'son', 'Bernardo')]}, {('Pedro', 'brother', 'Antonio'): [('Pedro', 'brother', 'Louis'), ('Louis', 'brother', 'Antonio')]}, {('Antonio', 'son', 'Bernardo'): [('Antonio', 'wife', 'Tracy'), ('Tracy', 'son', 'Bernardo')]}]
['brother', 'brother', 'wife', 'son']