[Pedro] and his wife [Dorothy] went to a lovely anniversary dinner. [Tracy] invited her father [Harold] to her high school father daughter dance. [Tracy] took her daughter, [Bettie], out to High Tea yesterday afternoon. [Bettie] loves visiting with her aunt [Dorothy].
('Harold', 'Pedro')
[Tracy] invited her father [Harold] to her high school father daughter dance. [Tracy] took her daughter, [Bettie], out to High Tea yesterday afternoon. [Bettie] loves visiting with her aunt [Dorothy]. [Pedro] and his wife [Dorothy] went to a lovely anniversary dinner.
[{('Harold', 'son-in-law', 'Pedro'): [('Harold', 'daughter', 'Dorothy'), ('Dorothy', 'husband', 'Pedro')]}, {('Harold', 'daughter', 'Dorothy'): [('Harold', 'daughter', 'Tracy'), ('Tracy', 'sister', 'Dorothy')]}, {('Tracy', 'sister', 'Dorothy'): [('Tracy', 'daughter', 'Bettie'), ('Bettie', 'aunt', 'Dorothy')]}]
['daughter', 'daughter', 'aunt', 'husband']