[George] and [Lillian], a married couple, took [Lillian]'s mother [Ashley] out to lunch for her birthday.
('Ashley', 'George')
[George] and [Lillian], a married couple, took [Lillian]'s mother [Ashley] out to lunch for her birthday.
[{('Ashley', 'son-in-law', 'George'): [('Ashley', 'daughter', 'Lillian'), ('Lillian', 'husband', 'George')]}]
['daughter', 'husband']