[Francisco] and his wife [Cindy] made tacos for their daughter [Anna]. [Anna]'s husband [Wayne] made a salad for himself.
('Cindy', 'Wayne')
[Francisco] and his wife [Cindy] made tacos for their daughter [Anna]. [Anna]'s husband [Wayne] made a salad for himself.
[{('Cindy', 'son-in-law', 'Wayne'): [('Cindy', 'daughter', 'Anna'), ('Anna', 'husband', 'Wayne')]}, {('Cindy', 'daughter', 'Anna'): [('Cindy', 'husband', 'Francisco'), ('Francisco', 'daughter', 'Anna')]}]
['husband', 'daughter', 'husband']