[Beverly] could n't wait for her father, [Harold], to see the gift she bought for him. [Beverly] was talking to her sister [Marie]. They were talking about how well [Marie]'s daughter [Lizzie] was doing in school. [Robert] took his daughter [Lizzie] to the bookstore, and bought her some books from her favorite author.
('Robert', 'Harold')
[Robert] took his daughter [Lizzie] to the bookstore, and bought her some books from her favorite author. [Beverly] was talking to her sister [Marie]. They were talking about how well [Marie]'s daughter [Lizzie] was doing in school. [Beverly] could n't wait for her father, [Harold], to see the gift she bought for him.
[{('Robert', 'father', 'Harold'): [('Robert', 'daughter', 'Lizzie'), ('Lizzie', 'grandfather', 'Harold')]}, {('Lizzie', 'grandfather', 'Harold'): [('Lizzie', 'mother', 'Marie'), ('Marie', 'father', 'Harold')]}, {('Marie', 'father', 'Harold'): [('Marie', 'sister', 'Beverly'), ('Beverly', 'father', 'Harold')]}]
['daughter', 'mother', 'sister', 'father']