[Travis] and his aunt, [Amy], were n't on speaking terms. Nobody remembered what the disagreement was anymore, but it had lasted for years. [Travis] asked his father, [Dale] to help him build a birdhouse.
('Dale', 'Amy')
[Travis] asked his father, [Dale] to help him build a birdhouse. [Travis] and his aunt, [Amy], were n't on speaking terms. Nobody remembered what the disagreement was anymore, but it had lasted for years.
[{('Dale', 'sister', 'Amy'): [('Dale', 'son', 'Travis'), ('Travis', 'aunt', 'Amy')]}]
['son', 'aunt']