[Cindy] has a sister named [Lynn] and a brother named [Hugh]. [Cindy] is weary of her son [Pete]'s behaviour. He is often in trouble at school.
('Pete', 'Lynn')
[Cindy] is weary of her son [Pete]'s behaviour. He is often in trouble at school. [Cindy] has a sister named [Lynn] and a brother named [Hugh].
[{('Pete', 'aunt', 'Lynn'): [('Pete', 'mother', 'Cindy'), ('Cindy', 'sister', 'Lynn')]}, {('Cindy', 'sister', 'Lynn'): [('Cindy', 'brother', 'Hugh'), ('Hugh', 'sister', 'Lynn')]}]
['mother', 'brother', 'sister']