[Amy] and her daughter [Mary] went shopping together last Monday and they bought new shoes for [Amy]'s kids. [Milton] and his wife [Mary] got married in Spain.
('Milton', 'Amy')
[Milton] and his wife [Mary] got married in Spain. [Amy] and her daughter [Mary] went shopping together last Monday and they bought new shoes for [Amy]'s kids.
[{('Milton', 'mother-in-law', 'Amy'): [('Milton', 'wife', 'Mary'), ('Mary', 'mother', 'Amy')]}]
['wife', 'mother']