[Ashley] often wondered why her son, [Nicholas], went down the path of drinking and doing drugs, whilst her daughter [Nancy] was an honor role student.
('Nicholas', 'Nancy')
[Ashley] often wondered why her son, [Nicholas], went down the path of drinking and doing drugs, whilst her daughter [Nancy] was an honor role student.
[{('Nicholas', 'sister', 'Nancy'): [('Nicholas', 'mother', 'Ashley'), ('Ashley', 'daughter', 'Nancy')]}]
['mother', 'daughter']