[Francisco] took his wife, [Cindy] to the theater, and invited their daughter. [Pete] and his wife, [Natasha], attended with her father, [Francisco].
('Cindy', 'Pete')
[Francisco] took his wife, [Cindy] to the theater, and invited their daughter. [Pete] and his wife, [Natasha], attended with her father, [Francisco].
[{('Cindy', 'son-in-law', 'Pete'): [('Cindy', 'daughter', 'Natasha'), ('Natasha', 'husband', 'Pete')]}, {('Cindy', 'daughter', 'Natasha'): [('Cindy', 'husband', 'Francisco'), ('Francisco', 'daughter', 'Natasha')]}]
['husband', 'daughter', 'husband']