[Mary] was ill, that's why she could n't go to school. She was with her mother [Nicholas] all day. [Lillian] was more than happy to help her sister by watching her child [Mary].
('Nicholas', 'Lillian')
[Mary] was ill, that's why she could n't go to school. She was with her mother [Nicholas] all day. [Lillian] was more than happy to help her sister by watching her child [Mary].
[{('Nicholas', 'sister', 'Lillian'): [('Nicholas', 'daughter', 'Mary'), ('Mary', 'aunt', 'Lillian')]}]
['daughter', 'aunt']