[Clarence] and his wife [Ashley] are picking up [Clarence]'s son [Lillian] from her first day of school.
('Ashley', 'Lillian')
[Clarence] and his wife [Ashley] are picking up [Clarence]'s son [Lillian] from her first day of school.
[{('Ashley', 'daughter', 'Lillian'): [('Ashley', 'husband', 'Clarence'), ('Clarence', 'daughter', 'Lillian')]}]
['husband', 'daughter']