[George] went to the zoo with his daughter [April]. [April]'s husband [Douglas] is afraid of animals and stayed in the car.
('Douglas', 'George')
[George] went to the zoo with his daughter [April]. [April]'s husband [Douglas] is afraid of animals and stayed in the car.
[{('Douglas', 'father-in-law', 'George'): [('Douglas', 'wife', 'April'), ('April', 'father', 'George')]}]
['wife', 'father']