[Mary] went to dinner with her husband [Milton]. [Milton] looks to his loving mother [Amy] for guidance in with his math homework.
('Mary', 'Amy')
[Mary] went to dinner with her husband [Milton]. [Milton] looks to his loving mother [Amy] for guidance in with his math homework.
[{('Mary', 'mother-in-law', 'Amy'): [('Mary', 'husband', 'Milton'), ('Milton', 'mother', 'Amy')]}]
['husband', 'mother']