[Nancy], her daughter, [Heidi], and [Heidi]'s husband, [Jeff], all went to the theater to see a play. The women had a good time but [Jeff] was bored.
('Nancy', 'Jeff')
[Nancy], her daughter, [Heidi], and [Heidi]'s husband, [Jeff], all went to the theater to see a play. The women had a good time but [Jeff] was bored.
[{('Nancy', 'son-in-law', 'Jeff'): [('Nancy', 'daughter', 'Heidi'), ('Heidi', 'husband', 'Jeff')]}]
['daughter', 'husband']