[Robert] played baseball with his sister [Beverly]. [Robert]'s son [Mario] watched behind the fence. [Harold] has a great father relationship with the beautiful [Tracy]. [Mario] was busy planning a 90th birthday party for his aunt, [Tracy].
('Beverly', 'Harold')
[Robert] played baseball with his sister [Beverly]. [Robert]'s son [Mario] watched behind the fence. [Mario] was busy planning a 90th birthday party for his aunt, [Tracy]. [Harold] has a great father relationship with the beautiful [Tracy].
[{('Beverly', 'father', 'Harold'): [('Beverly', 'sister', 'Tracy'), ('Tracy', 'father', 'Harold')]}, {('Beverly', 'sister', 'Tracy'): [('Beverly', 'brother', 'Robert'), ('Robert', 'sister', 'Tracy')]}, {('Robert', 'sister', 'Tracy'): [('Robert', 'son', 'Mario'), ('Mario', 'aunt', 'Tracy')]}]
['brother', 'son', 'aunt', 'father']