[Beverly] read her son [Michael] a bedtime story every night. [Louis] was having an argument with her sister, [Tracy]. [Louis] is taking his son [Michael] on a camping trip for the weekend. [Tracy] has a son named [Kevin].
('Beverly', 'Kevin')
[Beverly] read her son [Michael] a bedtime story every night. [Louis] is taking his son [Michael] on a camping trip for the weekend. [Louis] was having an argument with her sister, [Tracy]. [Tracy] has a son named [Kevin].
[{('Beverly', 'nephew', 'Kevin'): [('Beverly', 'sister', 'Tracy'), ('Tracy', 'son', 'Kevin')]}, {('Beverly', 'sister', 'Tracy'): [('Beverly', 'son', 'Michael'), ('Michael', 'aunt', 'Tracy')]}, {('Michael', 'aunt', 'Tracy'): [('Michael', 'father', 'Louis'), ('Louis', 'sister', 'Tracy')]}]
['son', 'father', 'sister', 'son']