[Angelica] and her grandfather [Harold] went to the museum. [Angelica] was bored, so they soon left. [Angelica] took her sister [Lizzie] and brother [Ronald] with her to shop for her wedding dress. [Ronald] often goes out for lunch with his sister, [Angelica].
('Lizzie', 'Harold')
[Angelica] took her sister [Lizzie] and brother [Ronald] with her to shop for her wedding dress. [Ronald] often goes out for lunch with his sister, [Angelica]. [Angelica] and her grandfather [Harold] went to the museum. [Angelica] was bored, so they soon left.
[{('Lizzie', 'grandfather', 'Harold'): [('Lizzie', 'brother', 'Ronald'), ('Ronald', 'grandfather', 'Harold')]}, {('Ronald', 'grandfather', 'Harold'): [('Ronald', 'sister', 'Angelica'), ('Angelica', 'grandfather', 'Harold')]}, {('Lizzie', 'brother', 'Ronald'): [('Lizzie', 'sister', 'Angelica'), ('Angelica', 'brother', 'Ronald')]}]
['sister', 'brother', 'sister', 'grandfather']