[Nancy] and her daughter [Lorraine] went out for ice cream. [Nancy] got a cone and [Lorraine] got a sundae. [Robert] became friends with [Lorraine] in high school, and later the two were married.
('Nancy', 'Robert')
[Nancy] and her daughter [Lorraine] went out for ice cream. [Nancy] got a cone and [Lorraine] got a sundae. [Robert] became friends with [Lorraine] in high school, and later the two were married.
[{('Nancy', 'son-in-law', 'Robert'): [('Nancy', 'daughter', 'Lorraine'), ('Lorraine', 'husband', 'Robert')]}]
['daughter', 'husband']