[Dennis] and his wife [Emily] are going to be at the play. [Dennis] was enjoying the delicious meal prepared by his mother [Amy].
('Emily', 'Amy')
[Dennis] and his wife [Emily] are going to be at the play. [Dennis] was enjoying the delicious meal prepared by his mother [Amy].
[{('Emily', 'mother-in-law', 'Amy'): [('Emily', 'husband', 'Dennis'), ('Dennis', 'mother', 'Amy')]}]
['husband', 'mother']