[Allan] and his wife, [Lizzie], went out to the movies for a date. [Elsie] is so proud that [Robert], his father, quit smoking. [Marie] was spending time with her son [Allan]. This made [Marie]'s daughter [Elsie] very jealous.
('Lizzie', 'Robert')
[Allan] and his wife, [Lizzie], went out to the movies for a date. [Marie] was spending time with her son [Allan]. This made [Marie]'s daughter [Elsie] very jealous. [Elsie] is so proud that [Robert], his father, quit smoking.
[{('Lizzie', 'father-in-law', 'Robert'): [('Lizzie', 'husband', 'Allan'), ('Allan', 'father', 'Robert')]}, {('Allan', 'father', 'Robert'): [('Allan', 'sister', 'Elsie'), ('Elsie', 'father', 'Robert')]}, {('Allan', 'sister', 'Elsie'): [('Allan', 'mother', 'Marie'), ('Marie', 'daughter', 'Elsie')]}]
['husband', 'mother', 'daughter', 'father']