[Jerry] wanted to visit his mother [Lillian] for a week. So [Jerry] asked his wife [Janet] to go with him.
('Lillian', 'Janet')
[Jerry] wanted to visit his mother [Lillian] for a week. So [Jerry] asked his wife [Janet] to go with him.
[{('Lillian', 'daughter-in-law', 'Janet'): [('Lillian', 'son', 'Jerry'), ('Jerry', 'wife', 'Janet')]}]
['son', 'wife']