[Ashley] went with her daughter [Lillian] to pick up [Lillian]'s husband [George] at the airport. His flight arrived early.
('George', 'Ashley')
[Ashley] went with her daughter [Lillian] to pick up [Lillian]'s husband [George] at the airport. His flight arrived early.
[{('George', 'mother-in-law', 'Ashley'): [('George', 'wife', 'Lillian'), ('Lillian', 'mother', 'Ashley')]}]
['wife', 'mother']