[David] and her husband, [Hugh], were in the kitchen having a big fight. [Hugh]'s son, [Bobby], and [Bobby]'s wife, [Vanetta], stayed in the living room and minded their own business.
('David', 'Vanetta')
[David] and her husband, [Hugh], were in the kitchen having a big fight. [Hugh]'s son, [Bobby], and [Bobby]'s wife, [Vanetta], stayed in the living room and minded their own business.
[{('David', 'daughter-in-law', 'Vanetta'): [('David', 'son', 'Bobby'), ('Bobby', 'wife', 'Vanetta')]}, {('David', 'son', 'Bobby'): [('David', 'husband', 'Hugh'), ('Hugh', 'son', 'Bobby')]}]
['husband', 'son', 'wife']