[Tracy], [Aaron], [Bobby], [Tracy] and [Harold] are all related. [Tracy] is [Aaron]'s mom. [Tracy] has a second son [Bobby]. [Harold] is [Bobby]'s grandpa. [Dorothy] us the daughter of [Harold] 'wife.
('Aaron', 'Dorothy')
[Tracy], [Aaron], [Bobby], [Tracy] and [Harold] are all related. [Tracy] is [Aaron]'s mom. [Tracy] has a second son [Bobby]. [Harold] is [Bobby]'s grandpa. [Dorothy] us the daughter of [Harold] 'wife.
[{('Aaron', 'aunt', 'Dorothy'): [('Aaron', 'mother', 'Tracy'), ('Tracy', 'sister', 'Dorothy')]}, {('Tracy', 'sister', 'Dorothy'): [('Tracy', 'father', 'Harold'), ('Harold', 'daughter', 'Dorothy')]}, {('Tracy', 'father', 'Harold'): [('Tracy', 'son', 'Bobby'), ('Bobby', 'grandfather', 'Harold')]}]
['mother', 'son', 'grandfather', 'daughter']