[Francisco], [Cindy]'s husband, was feeling bad. [Anna], [Francisco]'s daughter, came over and tried to cheer him up. [David] is getting married. She is looking forward to her sister, [Cindy], attending. They have n't seen each other since [Cindy] relocated to California with her husband 3 years ago.
('David', 'Anna')
[David] is getting married. She is looking forward to her sister, [Cindy], attending. They have n't seen each other since [Cindy] relocated to California with her husband 3 years ago. [Francisco], [Cindy]'s husband, was feeling bad. [Anna], [Francisco]'s daughter, came over and tried to cheer him up.
[{('David', 'niece', 'Anna'): [('David', 'sister', 'Cindy'), ('Cindy', 'daughter', 'Anna')]}, {('Cindy', 'daughter', 'Anna'): [('Cindy', 'husband', 'Francisco'), ('Francisco', 'daughter', 'Anna')]}]
['sister', 'husband', 'daughter']