[Cindy] and her husband [Francisco] took a cruise. [Francisco]'s son [Pete] watched their dogs while they were gone. [Pete] liked to talk about his sister, [Anna].
('Cindy', 'Anna')
[Cindy] and her husband [Francisco] took a cruise. [Francisco]'s son [Pete] watched their dogs while they were gone. [Pete] liked to talk about his sister, [Anna].
[{('Cindy', 'daughter', 'Anna'): [('Cindy', 'husband', 'Francisco'), ('Francisco', 'daughter', 'Anna')]}, {('Francisco', 'daughter', 'Anna'): [('Francisco', 'son', 'Pete'), ('Pete', 'sister', 'Anna')]}]
['husband', 'son', 'sister']