[Tracy]'s daughter Paula went to law school. Paula's brother [Kevin] ended up working in a fast food restaurant. [Tracy] had dinner with her sister. Her sister's son [Michael] was also there. [Beverly] and her brother [Pedro] are taking [Beverly]'s son [Michael] to the park.
('Pedro', 'Kevin')
[Beverly] and her brother [Pedro] are taking [Beverly]'s son [Michael] to the park. [Tracy] had dinner with her sister. Her sister's son [Michael] was also there. [Tracy]'s daughter Paula went to law school. Paula's brother [Kevin] ended up working in a fast food restaurant.
[{('Pedro', 'nephew', 'Kevin'): [('Pedro', 'sister', 'Tracy'), ('Tracy', 'son', 'Kevin')]}, {('Pedro', 'sister', 'Tracy'): [('Pedro', 'sister', 'Beverly'), ('Beverly', 'sister', 'Tracy')]}, {('Beverly', 'sister', 'Tracy'): [('Beverly', 'son', 'Michael'), ('Michael', 'aunt', 'Tracy')]}]
['sister', 'son', 'aunt', 'son']