[Bobby] cooked dinner for his wife [Vanetta] [David] baked a cake for her son [Bobby]. [Hugh]'s wife, [David], planned a surprise visit to her friends
('Hugh', 'Vanetta')
[Hugh]'s wife, [David], planned a surprise visit to her friends [David] baked a cake for her son [Bobby]. [Bobby] cooked dinner for his wife [Vanetta]
[{('Hugh', 'daughter-in-law', 'Vanetta'): [('Hugh', 'son', 'Bobby'), ('Bobby', 'wife', 'Vanetta')]}, {('Hugh', 'son', 'Bobby'): [('Hugh', 'wife', 'David'), ('David', 'son', 'Bobby')]}]
['wife', 'son', 'wife']